Molecules & Ions

Question 1

Why are atoms neutral?

Answer 1

Atoms are neutral because they have the same amount of protons and electrons.

Question 2

When atoms combine they tendency to ??

Answer 2

Lose or gain electrons

Question 3

What is a ion ?

Answer 3

An ion is an atom that has become electrically charged by losing or gaining one or more electrons

Question 4

How does an ion become negative?

Answer 4

An ion becomes negative when there are more electrons than protons.
(when electrons are gained)

Question 5

How does an ion become positive ?

Answer 5

An ion becomes positive when there are less electrons than protons
( when electrons are lost )

Question 6

IA has the tendency to ___ electrons.

Answer 6

Lose electrons

Question 7

IA has a charge of ?

Answer 7

+1

Question 8

IIA had the tendency to ___ electrons

Answer 8

Lose electrons

Question 9

IIA has a charge of ?

Answer 9

+2

Question 10

IIIA has the tendency to _____ electrons

Answer 10

Lose electrons

Question 11

IIIA has a charge of ?

Answer 11

+3

Question 12

IVA has the tendency to ____ electrons

Answer 12

Lose / gain electrons

Question 13

IVA has a charge of ?

Answer 13

+4 or -4

Question 14

VA had the tendency to _____ electrons

Answer 14

Gain electrons

Question 15

VA has a charge of ?

Answer 15

-3

Question 16

VIA had the tendency to ____ electrons

Answer 16

Gain electrons

Question 17

VIA has a charge of ?

Answer 17

-2

Question 18

VIIA had the tendency to _____ electrons

Answer 18

Gain electrons

Question 19

VIIA had a charge of ?

Answer 19

-1

Question 20

VIIIA had the tendency to _____ electrons

Answer 20

Neither lose or gain electrons

Question 21

VIIIA had a charge of ?

Answer 21

0 ( nothing )