3 years ago

What characteristics do atoms of argon-40, potassium-40, and calcium-40 have in common?

Chemistry

1 answer:

timurjin [86]3 years ago

4 0

⁴⁰Ar
N(e)=18
N(p)=18
N(n)=40-18=22

⁴⁰K
N(e)=19
N(p)=19
N9n)=40-19=21

⁴⁰Ca
N(e)=20
N(p)=20
N(n)=40-20=20

You might be interested in

Please help with this practice.

zalisa [80]

C. Bromine is reduced

5 0

3 years ago

Plant cells have a strong, rigid outer layer known as the cell wall. The function of the cell wall is to -

alexgriva [62]

Answer:the third one/ regulates the transfer of material into and out of the cell.

Have a nice day

7 0

3 years ago

When an experimenter draws a conclusion that he assumes will apply to all situations set up similarly to his test situation, eve

kirill115 [55]

Answer:

Deductive reasoning.

Explanation:

Hello,

Deductive reasoning lies on the proposal of a hypothesis and its subsequent substantiation before any observation is carried out since the statement says that "he assumes will apply to all situations" he's proposing something before observing it.

Best regards.

4 0

3 years ago

Calculate the mass of water produced when 8.94 g of butane reacts with excess oxygen.

Tamiku [17]

Yooooo this is my answer

3 0

2 years ago

1a. What type of bonds are formed when atoms share electrons unequally?

Ksivusya [100]

Answer:

Polar covalent bond, Water, and the last one a friend answered it already: brainly.com/question/7154480

Explanation:

7 0

3 years ago