Atoms Review

A

100

What is the charge of an electron?

negative

200

How many protons does Nitrogen have?

7

300

How many neutrons does beryllium have?

5

400

What is the primary factor that determines the physical and chemical properties of an element?

Number and arrangement of electrons

B

100

What is the charge of a proton?

Positive

200

What is the maximum number of electrons that the third energy level can hold?

18

300

What is the atomic symbol for Copper?

Cu

400

What is the formula to determine the maximum number of electrons an energy level can hold?

2n² where n=energy level number

C

100

What is the charge of a neutron?

neutral

200

What is the maximum number of electrons that the first energy level can hold?

2

300

How many electrons does hydrogen have?

1

400

Why is it easier to remove electrons that are in a higher energy level?

They are further from the nucleus.