Isotopes and Ions

Question 1

It is the number of protons in the nucleus of an atom (designated as Z)

Answer 1

Atomic Number

Question 2

The sum number of nucleons (A=P+N)

Answer 2

Mass Number

Question 3

Atoms of an element that differ in neutron count

Answer 3

Isotopes

Question 4

When the atom is electrically charged because the numbers of the subatomic particles are not equal, it is called as

Answer 4

ion

Question 5

A positively charged atom. It is formed when an atom when an atom loses one or more valence electrons.

Answer 5

cation

Question 6

Negatively charged atoms. Formed when an atom gains one or more electrons

Answer 6

Anion

Question 7

They have eight outer electrons or an octet of electrons

Answer 7

Noble gases

Question 8

This is to achieve the same electron arrangement as the noble gases

Answer 8

Octet Rule

Question 9

Groups that will release electrons (cation)

Answer 9

Group I, II, III

Question 10

Groups that will accept or attract electrons (anion)

Answer 10

Group 5, 6, 7

Question 11

Find the number of protons, electrons, and neutrons when Z=14 and A=28

Answer 11

P=14
E=14
N=14

Question 12

Find the atomic number and the number of neutrons and protons of Roentgenium when A=280 and the E=111

Answer 12

Z=111
P=111
N=169

Question 13

Find the number of electrons, the mass, and the atomic number of Germanium when P=32 and the N=41

Answer 13

E=32
A=73
Z=32

Question 14

Give the charge of the anion formed when a bromine atom accepts an electron

Answer 14

Br-

Question 15

Give the charge of the cation formed when an aluminum atom loses electrons

Answer 15

Al3+