Atomic structure and the periodic table

Question 1

Each type atom is called an

Accepted Answer

Element

Question 2

Group 18 is unreactive and called the

Accepted Answer

noble gases

Question 3

Elements of the same group have similar properties because they have the same number of protons

Accepted Answer

False

Question 4

How many groups does the Periodic Table have?

Accepted Answer

18

Question 5

The name of the element with an atomic mass of 12 is know as

Accepted Answer

carbon

Question 6

Most elements are

Accepted Answer

metals

Question 7

The subatomic particle with the smallest mass is the

Accepted Answer

electron

Question 8

How many neutrons are in an atom of Aluminium?

Accepted Answer

14

Question 9

The properties of metal and non-metals can be useful. Most obviously

Accepted Answer

non-metals are electrical insulators

Question 10

Which of the following groups of elements have the similar properties

Accepted Answer

Li Na K

Question 11

Elements that touch or border the zigzag line are classifiedas

Accepted Answer

metaliods

Question 12

How many protons are in an atom of Silicon?

Accepted Answer

14

Question 13

How many atoms on the point of a needle?

Accepted Answer

1 000 000

Question 14

Elements with similar chemical properties are organised on the period table in things called

Accepted Answer

groups

Question 15

The atomic mass of an element is equal to the number of

Accepted Answer

protons + neutrons

Question 16

Elements that touch or border the zigzag line are classifiedas

Accepted Answer

metaliods

Question 17

The periodic table organises elements by their properties. Metals are only found towards the

Accepted Answer

left hand side

Question 18

The symbol for the element with one protons is

Accepted Answer

H

Question 19

On the periodic table the zigzag line separates what?

Accepted Answer

Metals and non-metals

Question 20

How many periods does the Periodic Table have?

Accepted Answer

7

Question 21

The atomic number of an element defines the elements

Accepted Answer

type

Questions 21