stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
SCB Year 8 Periodic table Flashcards | StudBud
Explore
/
SCB Year 8 Periodic table
SCB Year 8 Periodic table
20 terms
·
StudBud Administration
·
227 plays
A quiz version of Active Science's quick quiz
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
Where are most non-metals found in the periodic table?
C
B
D
A
2
According to Dalton’s theory, elements:
contain only one kind of atom.
are always solids.
can be split up into simpler substances.
contain at least two different kinds of atom.
3
Compared to sulfur dioxide, lithium oxide is likely to have…
a higher melting point and higher pH.
a lower melting point and lower pH.
a higher melting point and lower pH.
a lower melting point and higher pH.
4
Which of the following describes a group 1 element?
a very reactive non-metal
a very unreactive non-metal
a very reactive metal
a very unreactive metal
5
Which of the following substances will be a liquid at 350 °C?
B
D
C
A
6
Some info about group 0 elements is in the table.It shows that the density of group 0 elements:
decreases down the group.
does not change down the group.
shows no pattern within the group.
increases down the group.
7
The elements were arranged in the periodic table in order of increasing:
density.
masses of atoms
reactivity.
melting point.
8
Which
two
elements in the periodic table below would have the most similar chemical properties?
1 & 4
5 & 6
2 & 3
1 & 6
9
The correct symbol for iron is:
fe
I
Ir
Fe
10
Which element is very unreactive?
hydrogen
lithium
fluorine
helium
11
When magnesium is heated and reacts with oxygen gas…
it burns brightly and forms magnesium oxide gas.
it glows red and forms magnesium oxide gas.
it burns brightly and forms solid white magnesium oxide.
it glows red and forms solid white magnesium oxide.
12
Which word equation describes the reaction of magnesium ribbon with steam?
magnesium + water -> magnesium + hydrogen
magnesium + water -> magnesium oxide + hydrogen
magnesium + magnesium oxide -> hydrogen + water
magnesium + hydrogen -> magnesium + water
13
Which of these diagrams shows the particles in a compound
C
D
B
A
14
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 gas that is very unreactive.
a non-metal that reacts with metals.
a metal that reacts with water.
15
In which of the pairs of elements is the 2nd element more reactive than the 1st element
sodium and lithium
chlorine and bromine
sodium and potassium
fluorine and chlorine
16
Which of the following could have the formula XY
2
?
B
C
A
D
17
Which of the following always happens during a chemical reaction?
Elements join together to make new elements.
The atoms in the reactants are rearranged to make products.
Atoms are broken down into smaller particles.
Compounds react and split up into free atoms.
18
The main difference between a chemical and physical change is a chemical change you always get
a new substance being formed.
heat given out.
a change in colour.
a change of state.
19
Which list contains three typical properties of non-metals?
poor conductor of heat, strong, high melting point
poor conductor of electricity, weak, low melting point
good conductor of heat, brittle, low melting point
good conductor of electricity, strong, high melting point
20
Which of the following is a chemical change?
D
B
C
A
