Chemistry High School

An ion of calcium has a charge of 2+. The ion contains 18 electrons. How many protons does a neutral atom of calcium possess?


18

20

36

2
2

Answers

Answer 1

Answer:

Explanation:

The ion and the neutral atom both contain 20 protons. Generally the protons stay in the nucleus forever.

Related Questions


Which formula compares a sample of a gas under two different conditions of pressure and volume, if the temperature is constant?

⚪︎ x/y = k
⚪︎ xy = k
⚪︎ PV = k
⚪︎ V/T = k
⚪︎ P1V1 = P2V2

Answers

Answer:

Explanation:

V/t

5(a) Consider the following schemes
Petroleum
>petroleum fractions
Higher petroleum fractions 1 , petrol + x
X + Y MI >CH,CICH,CI
nX"V (CH2 - CH2 - CH2-CH2)n
(i) State the type of reaction involved in I to IV​

Answers

Answer:

is number 1

Explanation:

cause i know

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