stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Duplicate of Y8 Activate Chemistry - The periodic table Flashcards | StudBud
Explore
/
Duplicate of Y8 Activate Chemistry - The periodic table
Duplicate of Y8 Activate Chemistry - The periodic table
16 terms
·
StudBud Administration
·
31 plays
chemistry KS3 quiz on elements of the periodic table, their uses, reactions and productss
Flashcards
16 cards
F
Practice quiz
P
Host live
L
Questions
16
Answers
1
When potassium reacts with water what colour is the flame?
green
red
yellow
purple
2
What is helium used for?
make water safe to drink
make batteries
fill balloons
a fuel
3
What is chlorine used for?
fill balloons.
make water safe to drink.
make swimming pools safe to swim in.
make batteries.
4
Potassium is ...
a soft metal
liquid metal
a hard metal
a gas
5
When hot iron is put in a jar of chlorine gas, there is a chemical reaction. What is formed?
iron oxide
iron chloride
iron fluoride
iron chlorate
6
Which is the most reactive halogen?
Fluorine
Bromine
Chlorine
Iodine
7
Which of these is not a property that are typical of metals?
good conductor of heat.
breaks easily when you drop it
shiny
makes a ringing sound when you hit it
8
Which of these is not a halogen?
Iodine
Nitrogen
Chlorine
Bromine
9
Which of these is an alkali metal?
nitrogen
potassium
boron
molybdenum
10
Which of these people is
not
a famous scientist?
Ernest Rutherford
Albert Einstein
Philip Wood
Alexander Fleming
11
Which of these is not an element?
Carbon Dioxide
Argon
Nitrogen
Oxygen
12
The Group 7 elements are called the...
halloggens
halides
halogens
hallogens
13
What is the chemical product of burning hydrogen in oxygen?
heat
water
potassium Nitrate
hydrogen peroxide
14
What is the chemical difference between the formula for carbon dioxide and carbon monoxide?
the type of carbon
no difference
the number of oxygen atoms
the spelling
15
How many oxygen atoms are in H
2
O?
a million
two
one
four
16
When you add potassium to water, the potassium ...
floats
sinks
evaporates
