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Biblioteka

year 7 Science Homework Week 7

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Pitanje 1
1.

Which substance is made of only one type of atom?

Pitanje 2
2.

Which substances contain two or more different types of atoms chemically bonded together?

Pitanje 3
3.

What is the smallest part of an element that can exist

Pitanje 4
4.

What does diatomic means?

Pitanje 5
5.

How would you separate compounds?

Pitanje 6
6.

What is a “pure substance”?

Pitanje 7
7.

What type of substance contains only two or more types of atom that are chemically bonded?

Pitanje 8
8.

What type of substance contains only one type of atom?

Pitanje 9
9.

How would you separate mixtures?

Pitanje 10
10.

Where are protons and neutrons found in an atom?

Pitanje 11
11.

What is the charge on the protons?

Pitanje 12
12.

What is the charge on the neutrons?

Pitanje 13
13.

What is the charge on the electrons?

Pitanje 14
14.

What is the atomic number?