WorksheetsC1 - Atomic Structure Know It
Total questions: 20
Worksheet time: 10mins
How many different elements are on the Periodic Table of Elements
12
36
100
Over 300
Oxygen has 8 protons and 8 neutrons. What is its atomic mass?
4
8
16
32
Oxygen has 8 protons and 8 neutrons. What is its atomic number?
4
8
16
32
An atom of Lithium (Li) has 3 protons. That means it must have 3 electrons.
True
False
Sodium (Na) reacts with Chlorine (Cl). What compound will it make?
Sodium hydroxide
Sodium and Chlorine
Sodium chloride
Chlorium sodide
Aluminium chloride (Al2Cl3) is an element.
True
False
Potassium bromide (KBr) is a compound.
True
False
An element is made of only one type of _________.
electron
atom
person
compound
Group 1 elements are very unreactive.
True
False
Which of these is not a separation method of mixtures?
Distillation
Filtration
Chromatography
Mixing
Mixtures are made up of different substances that are not _________ together.
chemically bonded
warped
close
zipped
Which of these properties of a substance determines how far it travels up chromatography paper?
How shiny it is
How soluble it is
How old it is
How dark it is
JJ Thomson proposed which atomic model?
Nuclear Model
Plum Pudding
Lock and Key
Ball and Socket
What is the charge of an electron?
-1
0
+1
+2
What is the charge of a proton?
-1
0
+1
+2
Protons and neutrons both have a relative mass of 1.
True
False
An atom of Sodium (Na) has 11 electrons. What is its electron configuration?
1, 10
2, 9
2, 8, 1
8, 3
How many electrons do Group 7 elements have in their outer shell?
1
2
7
0
What is the word for a more reactive element replacing a less reactive element in a reaction?
Displacement
Dispossession
Decomposition
Decompression
Which halogen is the most reactive?
Fluorine
Chlorine
Iodine
Bromine
