Atoms, Elements, Molecules And Compounds

Question 1

What are all substances made of ?

Answer 1

Atoms

Question 2

All substances are made of very tiny particles called….?

Answer 2

Atoms

Question 3

An element is a substance made up of only TWO types of atoms. TRUE OR FALSE

Answer 3

False, an element is only made up of ONE type of atom.

Question 4

Synonym for phrase “one type of atom”

Answer 4

pure element/ element

Question 5

How many rules are there to write symbols for elements?

Answer 5

There are two rules

Question 6

What are the two rules for writing element symbols?

Answer 6

1. The first letter MUST always be capital
2. If there are two letters second letter is always lowercase

Question 7

True or false
CO is cobalt?

Answer 7

False
Co, CO is carbon monoxide

Question 8

Pb

Answer 8

lead

Question 8

Ag

Answer 8

silver

Question 8

Au

Answer 8

Gold

Question 9

What is the Latin name for gold?

Answer 9

Aurum

Question 9

What is the Latin name for silver?

Answer 9

Argentum

Question 9

Why do we have Latin names for some elements?

Answer 9

Named Latin because the person who discovered the element was Latin

Question 9

A molecule is formed of how many atoms of the same element?

Answer 9

Two or more

Question 10

True or False
A molecule is formed of two or more atoms of different elements.

Answer 10

False
A molecule is formed of two or more atoms of the same element.

Question 10

How many atoms are in an oxygen molecule?

Answer 10

2

Question 10

compound

Answer 10

A group of different elements that are joined together (NH3….Ammonia)

Question 10

Which is a molecule and a compound?
1.NaCl
2.H2SO4
3.Cl2

Answer 10

1. Compound
2. Compound
3. molecule