Compared to sulfur dioxide, lithium oxide is likely to have…

a higher melting point and higher pH.

Which of the following always happens during a chemical reaction?

Atoms in the reactants are rearranged to make the products.

1 According to Dalton’s theory, elements:

A contain only one kind of atom.

Magnesium and steam makes magnesium oxide and hydrogen. Which is the correct word equation?

magnesium + water --> magnesium oxide + hydrogen

Why is water not listed on the Periodic Table?

It is a compound, Consists of two elements chemically bonded.

Which list contains three typical properties of non-metals?

poor conductor of electricity, weak, low melting point

Elements with similar chemical properties, Columns of elements

When magnesium is heated in air...

it burns brightly and forms solid white magnesium oxide.

Astatine is a very rare element found at the bottom of group 7. Astatine is likely to be:

a non-metal that reacts with metals.

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The Periodic Table (8F Exploring Science)

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from the quick quiz to check understanding of the development and trends in the periodic table

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Questions 22

Answers

1
1 The elements were arranged in the periodic table in order of increasing:
masses of atoms.
reactivity.
A melting point.
A density.
2
What would you call a row going across the Periodic Table?
Period
Halogen.
Actinide Series
Group
3
Which of the following could have the formula XY₂?
A
B
D
C
4
Compared to sulfur dioxide, lithium oxide is likely to have…
a lower melting point and higher pH.
a higher melting point and higher pH.
a lower melting point and lower pH.
a higher melting point and lower pH.
5
Which of the following always happens during a chemical reaction?
Compounds react and split up into free atoms.
Atoms are broken down into smaller particles.
Elements join together to make new elements.
Atoms in the reactants are rearranged to make the products.
6
In which of the following elements is the second element more reactive than the first element?
A sodium and potassium
A chlorine and bromine
A sodium and lithium
A fluorine and chlorine
7
1 According to Dalton’s theory, elements:
A contain only one kind of atom.
A contain at least two different kinds of atom.
A can be split up into simpler substances.
A are always solids.
8
Magnesium and steam makes magnesium oxide and hydrogen. Which is the correct word equation?
magnesium + magnesium oxide --> hydrogen + water
magnesium + hydrogen --> magnesium + water
magnesium + water --> magnesium oxide + hydrogen
magnesium + water --> magnesium + hydrogen
9
Why is water not listed on the Periodic Table?
It is a compound
Consists of two elements chemically bonded.
It is one of Plato's original elements
It should be on the Periodic Table
10
Which list contains three typical properties of non-metals?
poor conductor of heat, strong, high melting point
good conductor of electricity, strong, high melting point
poor conductor of electricity, weak, low melting point
good conductor of heat, brittle, low melting point
11
Which of the substances are compounds?
Charcoal
Salt
Fire
Iron
12
The difference between a chemical and a physical change is that in a chemical change you get
a change of state.
heat given out.
a change in colour.
a new substance being formed.
13
Which of the following describes a group 1 element?
A a very unreactive non-metal
A a very reactive metal
A a very reactive non-metal
A a very unreactive metal
14
The Groups are:
Triads
Elements with similar chemical properties
Columns of elements
Rows of elements across
15
Which is a physical test to show that a substance is water?
Add salt - it should dissolve.
Pass electricity through it - it should not conduct.
Boil it - it boils at 1000C
Add Universal Indicator - it stays green.
16
When magnesium is heated in air...
it glows red and forms solid white magnesium oxide.
it burns brightly and forms solid white magnesium oxide.
it glows red and forms magnesium oxide gas.
it burns brightly and forms magnesium oxide gas.
17
Which of the following is a chemical change?
D
C
B
A
18
1 Which of these diagrams shows the particles in a compound?
B
A
D
C
19
Astatine is a very rare element found at the bottom of group 7. Astatine is likely to be:
a metal that does not react easily.
a non-metal that reacts with metals.
a metal that reacts with water.
a non-metal gas that is very unreactive.
20
Which two elements in the periodic table shown would have the most similar chemical properties?
1 & 4
2 & 3
1 & 6
5 & 6
21
Where are most non-metals found in the periodic table?
A
C
D
B
22
Which two chemical reactions are happening here?
Cooking and evaporation.
Combustion and cooking food.
Evaporation and combustion
Sublimation and cooking

The Periodic Table (8F Exploring Science) Flashcards | StudBud