Chemistry

Question 1

Matter

Answer 1

Anything that is made of atoms

Question 2

Electrons

Answer 2

Negative charged atomic particle

Question 3

Neutrons

Answer 3

Neutral charged atomic particle

Question 4

Protons

Answer 4

Positive charged atomic particle

Question 5

Where are electrons found?

Answer 5

They are found in electron shells orbiting the nucleus

Question 6

Where are neutrons found?

Answer 6

They are found in the nucleus

Question 7

Where are protons found?

Answer 7

They are found in the nucleus

Question 8

What does AMU stand for?

Answer 8

It stands for atomic mass unit

Question 9

Why do we need a neutron?

Answer 9

It separates protons, normally protons repel

Question 10

How is the atomic number used?

Answer 10

The atomic number is the amount of protons in the nucleus

Question 11

How many electrons are there in an atom?

Answer 11

The same amount of protons which are needed to cancel each other

Question 12

What is an atom?

Answer 12

It is what everything is made of

Question 13

What is an atom made of?

Answer 13

It is made up of a nucleus and mostly empty space, also neutrons and protons which are inside the nucleus and electrons which are in shells around the nucleus

Question 14

What is an electron shell?

Answer 14

It is the outside part of the atom

Question 15

Atomic mass

Answer 15

The mass of an atom expressed in atomic mass units

Question 16

What is an element?

Answer 16

An element is a substance which cannot be broken down into simpler substances. An element is made up of atoms

Question 17

What is a compound?

Answer 17

It is a substance made up of two or more elements which are chemically bonded

Question 18

Alchemists

Answer 18

A chemist from the olden days who mixed different types of chemicals to make metals into gold.

Question 19

Investigations

Answer 19

It is a project or activity to find information

Question 20

Observations

Answer 20

Information made from observing by using our senses or measuring equipment

Question 21

Scientists

Answer 21

People skilled and studied in the fields of science. They use experiments to find out things in the world.

Question 22

Cation

Answer 22

Cations are ions which are positively charged, they are usually metals as they lose electrons

Question 23

Anion

Answer 23

Anions are ions which are negatively charged, they are usually non-metals as they gain electrons

Question 24

Ion

Answer 24

Ions are atoms which have either gained or lost electrons to become stable

Question 25

Electron shells

Answer 25

An electron shell is the outer part of the atom around the nucleus. They hold the electrons with the 1st shell holding 2, 2nd shell holding 8 and 3rd shell holding 8 or 18

Question 26

Valance shell

Answer 26

Valance shells are the outermost electron shell

Question 27

Noble gases

Answer 27

Noble gases are elements which are electrically stable, they do not react and their valance shells are full