Answer:
a
Explanation:
Because that is the answer
Some consumers, like lions, do not eat plants or any other producers. They only eat other animals.
How do lions obtain the carbon they need?
by eating animals that have carbon-based molecules stored in their bodies
by breathing it in from the atmosphere in the form of carbon dioxide
by absorbing carbon-based molecules through their skin from the soil
by drinking water that contains carbon dioxide
Answer:
a
Explanation:
Some consumers, like lions, do not eat plants or any other producers. They only eat other animals. lions obtain the carbon they need by eating animals that have carbon-based molecules stored in their bodies and the correct option is option 1.
What are Consumers?Heterotrophs are known as consumers because they consume producers or other consumers. Heterotrophs occupy the second and third levels in a food chain, a sequence of organisms that provide energy and nutrients for other organisms.
Heterotrophic living organisms include all animals and fungi, some protists and bacteria, many types of parasitic plants.
Carnivores (organisms that eat meat) and omnivores (organisms that eat plants and meat) occupy the third level.
Therefore, Some consumers, like lions, do not eat plants or any other producers. They only eat other animals. lions obtain the carbon they need by eating animals that have carbon-based molecules stored in their bodies and the correct option is option 1.
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Which of the following has the larger atomic radius?
O Cs
O Ca
O Li
O Ba
Hope it helps
what is the density of a liquid if it's volume is 125 mL and it's mass is 50g?
Answer:
0.4g/ml
Explanation:
density= mass/volume
density=50g/125ml
density=0.4g/ml
Hair is composed of a protein called cellulose
O
True
O False
Answer:True
Explanation:
Iv done this before
is bird seed homogeneous or heterogeneous
Answer:
heterogeneous
In order to give birds a varied and balanced diet, commercial bird seed blends typically include a range of seeds, grains, and other substances. As a result, bird seed is frequently categorised as a heterogeneous blend.
A seed is referred to as homogenous if its genetic makeup, size, shape, and other traits are all consistent. To guarantee consistency in the ensuing plants, these seeds are typically created through controlled breeding or genetic manipulation. A heterogeneous seed, on the other hand, is one that varies in genetic makeup, size, shape, and attributes. These seeds frequently result from cross-pollination or natural pollination between various species or kinds.
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What goes in cellular respiration and what comes out of cellular respiration?
Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.
Predict the precipitate that will be formed in the following reaction:
NaF(aq) + AgNO3(aq) →
The precipitate that will be formed : AgF
Further explanationOne indication of the double displacement reaction is the precipitation reaction
Solubility Rules:
• 1. soluble compound
All compounds of Li +, Na +, K +, Rb +, Cs +, and NH4 +
All compounds of NO₃⁻ and C₂H₃O₂⁻
Compounds of Cl−, Br−, I− except Ag⁺, Hg₂²⁺, Pb²⁺
Compounds of SO₄²⁻ except for Hg₂²⁺, Pb²⁺, Sr²⁺, Ba²⁺
• 2. insoluble compounds
Compounds of CO₃²⁻ and PO₄³⁻ except for Compounds of Li +, Na +, K +, Rb +, Cs +, and NH₄ +
Compounds of OH− except Compounds of Li +, Na +, K +, Rb +, Cs +, NH₄⁺, Sr²⁺, and Ba²⁺
Reaction
NaF(aq) + AgNO₃(aq) →NaNO₃(aq)+ AgF(s)
From the solubility rules above, it has been shown that the salts of the Ag⁺ cations are insoluble salts
How are Earth's continents related?
Please help due at 11:45!
Balance the following equation.
___ I + ___ O2 ___ I4O10
Most of the elements on the Periodic Table are metals.
True
False
Answer:
the answer is true
Explanation:
I hope so it is helpful to u
How much work is required to pull a sled if you use 60J of work in 5 seconds?
Answer:
DO I Look Like santa too you how am i supposed to know How about this how about you goo.gle the answer wow smart
Explanation:
two or more atoms joined together form a _______
Answer:
When two atoms join together they make compounds
Explanation:
A molecule is formed when two or more atoms join together chemically. If atoms combine that are of two or more different elements, we call that a compound. All compounds are molecules, but not all molecules are compounds.
A neutral atom of beryllium (Be) has an average mass of 9 amu and 4 electrons. How many neutrons does it have?
13
5
9
4
Answer:
It has 5 neutrons
Explanation:
The fact that it is a neutral atom tells us that the number of electrons and protons is the same:
The problem tells us there are 4 electrons, thus there are 4 protons.The average mass of an atom is the sum of the number of protons and the number of neutrons:
Mass = # Protons + # NeutronsWith the above information in mind we can calculate the number of neutrons:
9 amu = 4 Protons + # Neutrons# Neurons = 5 Neutronswhere information about each element is located
Answer:
On the pereiodic table.
Explanation:
The
the surface area of the reactants, the faster the reaction rate.
A. greater
B. lesser
You are sitting in the central park bleachers of a Major League baseball park. You see a batter strike a pitched ball. About 0.4 seconds later you hear the contact between the bat and the ball. In terms of the properties of light and sound waves, how do you explain the difference in the communications you receivedbabout the same event?
Answer:
See the answer below
Explanation:
The speed of light in air and space is faster than the speed of sound in the same media. Light travels with a speed of approximately 3 x [tex]10^8[/tex] m/s while sound can only travel at 343 m/s (at 20 [tex]^oC[/tex]).
Consequently, the visuals of a batter striking a pitched ball which travel by light and is perceived through the eyes would be seen before the sound of the strike.
The difference in the speeds of light and that of sound largely explains the difference in the communication received about seeing a batter striking a pitched ball before hearing the sound of the strike
at the left.
6.
1. Work equals
A force x distance
B. force - distance
C. force + distance.
The force you apply to a machine
is the
A. input force.
B. output force.
C. efficiency.
2.
The unit of work is the
A. watt.
B. newton.
C. joule.
7.
The efficiency of all real
machines is
A. greater than 100%
B. equal to 100%
C. less than 100%
3.
Power is the amount of
A. work done per unit of time.
B. force on a certain area.
C. pressure in a volume of liquid.
8.
4.
The unit for power is the
A. joule.
B. Meter per second
C. watt.
The fixed point that a lever rotates
around is called the
A. fulcrum.
B. input force.
C. wedge.
9.
5.
A machine cannot change the
A. direction of the input force.
B. amount of work needed to do
A screwdriver is an example of a
simple machine called a
A. pulley.
B. screw
C. wheel and axle.
a task.
C. distance over which a force
is applied
10.
Your front teeth are
A. wedges.
B. levers.
C. compound machines.
Answer:
i know right answer
Explanation:
let me explain
I will give you Brainly if you awser correct if your gonna awser for points pl put I don’t know
Answer:
C
Explanation:
What element is in period 6 with 2 valence electrons?
Answer:
Barium
Explanation:
I think that's the answer
The element in period 6 with 2 valence electrons is Barium.
The periodic table has been organized into periods and groups. The period is in an horizontal arrangement while group is vertical arrangement. The elements that can be found in period 6 are Beryllium, Magnesium, Calcium, Strontium, Barium etc. Elements in the same group have the same number of valence electrons. This means that elements in group 2 have 2 valence electrons. Barium possess two valence electrons because it is in group 2 and it is also in period 6. Therefore, the element in period 6 with 2 valence electrons is Barium.Learn more at: https://brainly.com/question/24089206?referrer=searchResults
Exactly how many planes contain points J, K, and N?
O 0
O 1
O 2
O 3
Answer:
0
Explanation:
Point J is on neither plane X or plane Y. Hope this helps you.
Answer:
3
Explanation:
When an ionic bond forms what type of ions are joined?
Which is a component of John Dalton’s atomic theory?
The ratio of atoms in a compound is fixed.
The atoms of different elements are the same.
An atom is a small particle of matter that can be broken down.
A reaction can create or destroy atoms as well as rearrange them.
Answer: lol the answer is A
Explanation:
i’m just smart like that , thought i should give y’all a clue
Answer:
The ratio of atoms in a compound is fixed.
Explanation:
its a
How many atoms of S are in the following formula: 3Na(SO4)2
1) 6
2) 8
3) 3
4) 5
Answer:
6
Explanation:
Please answer these. The tables needed for question 7 are in the picture. I got rid of some of the questions that you wouldn’t be able to answer without doing the lesson
Question 1: Electron Notation Example (2 points)
a. Give the electron configuration of vanadium (V), atomic number 23. (0.5 points)
b. Give the noble gas configuration of vanadium (V), atomic number 23. (0.5 points)
c. List the energy levels for the orbital configuration of vanadium (V), atomic number 23. (1 point)
Question 3: Trends on the Periodic Table (2 points)
a. How does the atomic radius change going down and across the periodic table? (0.5 points)
b. How does first ionization energy change going down and across the periodic table? (0.5 points)
c. How does electronegativity change going down and across the periodic table? (0.5 points)
d. How does the radius of a positive and negative ion compare to a neutral atom? (0.5 points)
Question 4: Chemical Bonds (1 point)
Match each chemical bond to its correct description. (1 point)
A. Ionic bond ___ Sharing of electrons
B. Covalent bond ___ Freely moving electrons
C. Metallic bond ___ Transfer of electrons
Question 5: Intermolecular Forces (3 points)
a. Describe the dipole-dipole force. (1 point)
b. Describe hydrogen bonding. (1 point)
c. Describe the Van der Waals forces. (1 point)
Question 6: Intermolecular Forces and You (2 points)
Imagine you need to take a medicine that the doctor has prescribed for you. Explain why scientists who developed that medicine would need to know whether or not the compound in that medicine is polar. How might a polar medicine behave differently within your body than a nonpolar medicine would? Answer in 1 to 2 paragraphs.
Question 7: Energy in Bonds (9 points)
Use these tables for reference for all parts of this question.
This table summarizes the average energies of single bonds between atom pairs in many different compounds.
a. According to Table 2, which is the strongest bond? Which is the weakest bond? Based on what you know about the atomic radii and electronegativity of the elements involved in the bonds, why do you think these two have the most extreme bond-energy values? (3 points)
b. How are the bond energies of each bond listed in Table 2 determined? (1 point)
c. Why do you think there aren't bond energy values given in Table 2 for N–S and S–I? (1 point)
d. Based on Tables 1 and 2, how would you describe the trend in bond strength of single, double, and triple bonds? (1 point)
e. Based on Table 2, how would you describe the trend in the strength of bonds formed by the elements carbon, nitrogen, and oxygen? Would you describe this trend as a periodic trend? Why or why not? (3 points)
Question 8: Causes of Molecular Shape (3 points)
a. What is the VSEPR theory? (1 point)
b. How does electron repulsion determine molecular shape? (1 point)
c. How do lone electron pairs affect molecular shape? (1 point)
Question 10: Lewis Structure (3 points)
a. Draw the Lewis structure for the Se and 2 H atoms. (1 point)
b. Draw the Lewis structure for the SeH2 molecule. (1 point)
c. What shape would SeH2 have? Draw the molecule. (1 point)
Question 11: Ionic and Covalent Compounds (5 points)
Identify each of the following as a covalent compound or ionic compound. Then provide either the formula for compounds identified by name or the name for those identified by formula. (1 point each)
a. Li2O:
b. Dinitrogen trioxide:
c. PCl3:
d. Manganese(III) oxide:
e. Calcium bromide:
Two or more than two atoms with different physical or chemical properties can not combine together to form an element. Therefore, the electronic configuration of vanadium is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d³.
What is element?Element generally consist of atoms or we can atoms combine to form element. Atoms of an element is always same, means all the properties of all atoms of one type of element is same.
The systematic distribution of electrons in the various atomic orbitals is called its electronic configuration. The atomic number of vanadium is 23. The electronic configuration of vanadium is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d³. The noble gas electronic configuration of vanadium is [Ar]3d³4s². 1,2,3 represents the number of shells and s and represents the orbitals. The superscripts represents the number of electrons in each orbitals.
Therefore, the electronic configuration of vanadium is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d³.
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5. The compound is called:
*
(1 Point)
VP2
Vanadium (1) phosphide
Vanadium (IV) phosphide
Vanadium phosphide
Vanadium (VI) phosphide
Vanadium (V) phosphide
6. The compound is called
Answer:
Vanadium (VI) Phosphide
Explanation:
Vanadium has a 6+ charge for this compound, so there needs to be two phosphorus atoms to satisfy the charges. This is an ionic compound as well so the roman numerals need to be present.