Help me please!!!!!!!!

Chemistry

1 answer:

alekssr [168]2 years ago

8 0

Answer:

The element is CARBON

The number 6 refers to the ATOMIC NUMBER

the numbers 12, 13, and 14 refer to the ATOMIC MASS

how many protons and neutrons are in the first isotope?

6. 6

how many protons and neutrons are in the second isotope?

6. 7

how many protons and neutrons are in the third isotope?

6. 8

you are welcome :)

You might be interested in

Please hurry Participants in an informal discussion would most likely

Katyanochek1 [597]

The answer is A. use casual, friendly conversation.

5 0

3 years ago

Read 2 more answers

A substance has a volume of 20mL and a density of 2.5 g/mL. what is it’s mass?

DochEvi [55]

2.5X20=50g
50g should be the right answer
Mass=volumeXdenisty.

4 0

3 years ago

Anna stated that ionic compounds have high melting points and low boiling points. She said that this demonstrates that ionic com

liubo4ka [24]

Answer: Anna stated that ionic compounds have high melting point and low boiling point. The error in the statement is that ionic compound have low boiling point, instead ionic compounds have high boiling point, because in an ionic compound, the force of attraction working between two ions is very strong and hence the bonds present are very strong, and a lot of energy is needed to break them

8 0

3 years ago

Read 2 more answers

The process of an atom releasing energy when it moves to a lower energy state is called

Inga [223]

The process of an atom releasing energy when it moves to a lower energy state is called emission.

4 0

3 years ago

Along with subduction, what other process changes sedimentary rocks to metamorphic rocks?

muminat

It would be weathering because of all the heat and pressure.

7 0

3 years ago