Atomic Structure And The Periodic Table

Question 1

A group on the periodic table is

Answer 1

A column going down

Question 2

A period on the periodic table is

Answer 2

A row going across

Question 3

What are the two elements that are liquid at room temperature?

Answer 3

Bromine (Br, 35)

Mercury (Hg, 67)

Question 4

What group can the noble gasses be found?

Answer 4

Group 8/0

Question 5

Name the 8 diatomic elements

Answer 5

Astatine,
Bromine,
Iodine,
Nitrogen,
Chlorine,
Hydrogen,
Oxygen,
Fluorine

Question 6

Diatomic elements are elements which contain

Answer 6

Two atoms

Question 7

Elements in the same group have

Answer 7

Similar chemical properties as the have the same amount of electrons in the outer shell

Question 8

How many elements occur naturally

Answer 8

90

Question 9

Why are atoms neutral?

Answer 9

The number of protons in the nucleus = the number of electrons and the charges cancel out

Question 10

Mass number =

Answer 10

Number of neutrons in the nucleus + the number of protons/electrons

Question 11

What is the definition of an ion?

Answer 11

An ion is a charged particle formed by the loss or gain of electrons

Question 12

What is an isotope?

Answer 12

Isotopes are atoms of the same element with different mass numbers because of a different number of neutrons in the nucleus

Question 13

When is an ion formed?

Answer 13

When a neutral atom loses or gains electrons

Question 14

An element contains

Answer 14

Only one type of atom