Which of these elements elements has an electron configuration of [Kr]5s2

Answers

Answer 1

Answer:

Your answer is strontium

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What is a good way to study

tiny time has decided to make 288 tricycle each day. how many tricycle seats, wheels ,and pedals are needed ?

Answers

seats- 288

wheels- 864

pedals- 576

hope this helps

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What kinds of processes can cause rocks to change?

Answers

1.Heat:Heat can cause rock to melt,forcing real changes in its chemical and physical makeup;forcing some elemental components to chemically react with each other,both internal and external,chemical components to form entirely new material.
another way is erosion

lets see here 1.Heat:Heat can cause rock to melt,forcing real changes in its chemical and physical makeup;forcing some elemental components to chemically react with each other,both internal and external,chemical components to form entirely new material.
another way is erosion

A chemical formula is shown. what do the subscripts in a chemical formula represent? select TWO answers.★ the number of atoms.

★ C = 1, H = 6, O = 5

★ C = 6, H = 6, O = 1

★ the number of molecules.

Answers

It would be the number of atoms and C=6 H=6 and O=1

Answer:

The subscripts in a chemical formula represent two things:

Explanation:

The subscripts in a chemical formula represent two things:

1. The number of atoms: The subscripts indicate the number of atoms of each element present in a compound. For example, in the chemical formula H2O, the subscript "2" indicates that there are two hydrogen atoms in each water molecule.

2. The number of molecules: The subscripts can also represent the number of molecules in a compound. However, it's important to note that this is not always the case. In most cases, the subscripts in a chemical formula specifically indicate the number of atoms rather than the number of molecules.

To clarify the examples given:

- The statement "★ the number of atoms" is correct. Subscripts in a chemical formula do represent the number of atoms.

- The statements "★ C = 1, H = 6, O = 5" and "★ C = 6, H = 6, O = 1" are not relevant to the question as they do not pertain to the role of subscripts in a chemical formula.

For each cycle,explain how humans actions have altered or disrupted the cyclewater cycle:

carbon cycle:

nitrogen cycle:

Answers

Water Cycle- we interrupt the flow of water by withdrawal (taking the water out of its natural system to carry out industrial processes, irrigation and to provide drinking water. Discharging also affects the flow of water, whether intentionally or not. By adding chemicals to the water, it pollutes the water and can cause damage not only to organisms but to the environment.

Carbon Cycle - humans greatly affect carbon cycle by immense deforestation activity, which increase the carbon dioxide content in the atmosphere and also the burning of coals, which also increase the carbon content in the surrounding which will result to global warming.

Nitrogen Cycle - one of the major influences of humans in the nitrogen cycle is evident in agriculture. Farmers attempt to increase the availability of nitrogen to the land which is essential to the plants that is why they add nitrogen-containing fertilizers.This results to the larger rate of nitrogen input than occurs naturally through nitrogen fixation processes.

Is ability to conduct heat, physical or chemical?

Answers

the ability to conduct heat is physical because the object doesn't need to change its state in any way for this test to be taken

Physical because it does not need to change its state

The distance traveled divided by time taken to travel the distance is?

Answers

Answer:

speed

Explanation:

speed=distance/time

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