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Revision of chemistry chapters

Total questions: 27

Worksheet time: 18mins

Name
Class
Date
1.

What do you think an atom is?

4 lines
2.

What is the definition of an atom?

a)

The smallest unit of matter that retains the properties of an element

b)

The total number of protons and neutrons in an atom

c)

The number of protons in an atom determines its atomic number

d)

Each element is characterized by the number of protons in its nucleus

3.

What is the purpose of the Periodic Table?

a)

To organize elements based on their properties and atomic numbers

b)

To describe the behavior and interactions of elements

c)

To break down elements into simpler substances

d)

To explain the atomic structure of elements

4.

Atoms of the same element are:

a)

very different

b)

different

c)

exactly alike

d)

nothing alike

5.
A(n) __________ is a pure substance made of only one type of atom.
a)
compound
b)
element
c)
proton
d)
electron
6.

Properties of an element are exactly the properties of a

(a)  

7.

Were you able to undertand today's topic?

a)

I'm a nerd!

b)

Almost there. just need to got through it once.

c)

so-so, it wasn't that hard though

d)

I wish I werent's made up of atoms

8.

What is the atomic mass of the element shown, rounded to the nearest whole number?

a)

26

b)

27

c)

26.98

d)

26.982

9.

How many protons does the element shown have?

a)

14

b)

13

c)

12

d)

15

10.

What is the atomic number of the element shown?

a)

14

b)

13

c)

12

d)

15

11.

What is the atomic symbol of the element shown?

a)

Al

b)

Si

c)

P

d)

Mg

12.

What is the the name of the element shown?

a)

Aluminium

b)

Silicon

c)

Phosphorus

d)

Magnesium

13.

The smallest particle of an Element; the building block of all matter.

a)

Atom

b)

Element

c)

Molecule

d)

Compound

14.

A pure substance made up of only one kind of atom.

a)

Atom

b)

Element

c)

Molecule

d)

Compound

15.

A group of two or more atoms bonded together.

a)

Atom

b)

Element

c)

Molecule

d)

Compound

16.

A substance made up of the atoms of two or more different elements joined by chemical bonds.

a)

Atom

b)

Element

c)

Molecule

d)

Compound

17.

An atom with the same number of protons and a different number of neutrons (compared to other atoms of the same element.)

a)

Isotope

b)

Atomic Number

c)

Atomic Mass

d)

Atomic Symbol

18.

The number of protons in the nucleus of an atom.

a)

Isotope

b)

Atomic Number

c)

Atomic Mass

d)

Atomic Symbol

19.

The average mass of all the isotopes of an element (protons + neutrons.)

a)

Isotope

b)

Atomic Number

c)

Atomic Mass

d)

Atomic Symbol

20.

The 1-2 letter representation of the name of an element or atom.

a)

Isotope

b)

Atomic Number

c)

Atomic Mass

d)

Atomic Symbol

21.

What do you think an atom is?

4 lines
22.

What is the definition of an atom?

a)

The smallest unit of matter that retains the properties of an element

b)

The total number of protons and neutrons in an atom

c)

The number of protons in an atom determines its atomic number

d)

Each element is characterized by the number of protons in its nucleus

23.

What is the purpose of the Periodic Table?

a)

To organize elements based on their properties and atomic numbers

b)

To describe the behavior and interactions of elements

c)

To break down elements into simpler substances

d)

To explain the atomic structure of elements

24.

Atoms of the same element are:

a)

very different

b)

different

c)

exactly alike

d)

nothing alike

25.
A(n) __________ is a pure substance made of only one type of atom.
a)
compound
b)
element
c)
proton
d)
electron
26.

Properties of an element are exactly the properties of a

(a)  

27.

Were you able to undertand today's topic?

a)

I'm a nerd!

b)

Almost there. just need to got through it once.

c)

so-so, it wasn't that hard though

d)

I wish I werent's made up of atoms