a substance made of more than one atom chemically bonded

a substance made of only one type of atom

the number of neutrons and protons

protons, neutrons and electrons

Chromatography separates out mixtures by

dissolving mixtures and travelling up paper

an atoms is neutral charge because

the number of protons and electrons are the same

2 or more elements or compounds mixed, but not bonded.

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Atomic Structure and the periodic table

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AQA trilogy foundation C1

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Questions 16

Answers

1
Which of these is actually the correct formula for sulphuric acid?
H2SO4
H2SO4
2
a compound is
made of one type of atom
a substance made of more than one type of atom
some atoms together
a substance made of more than one atom chemically bonded
3
Scientists used to believe atoms consisted only of
neutral particles
plum puddings
positive and negative charges
small particles
4
methane (CH₄) reacts with oxygen to make
carbon dioxide
water
hydrogen and carbon dioxide
carbon dioxide and water
5
which is the correct formula for sulphuric acid?
H2SO4
none
H2SO2
h2so4
6
an element is
a substance made of only one type of atom
made of lots of atoms bonded together
similar to a compound
a substance that is made of more than one types of atom
7
The mass number is
the number of neutrons and protons
the number of electrons
the number of protons
the number of neutrons
8
the number of electrons is the same as
number of neutrons
the mass number
number of protons
9
Atoms contain
protons, electrons and neutral
protons, neutrons and electrons
protons and neutrons
positive and negative
10
we separate solids from liquids using
a hairdryer
chromatography
filtration
distillation
11
Chromatography separates out mixtures by
dissolving the mixture
separating solids form liquids
spreading ink out
dissolving mixtures and travelling up paper
12
fractional distillation is
how we separate sand and water
cheap
how we separate crude oil
condensation
13
we can separate two liquids of different boiling point by using
filtration
chromatography
a taste test accompanied by a cheese board
distillation
14
Which equation is balanced?
2Mg + O2 -> 2MgO
mG + O -> MGO
Mg + O2 -> MgO
2Mg + O -> 2MgO
15
an atoms is neutral charge because
the number of protons and electrons are the same
there is the same number of protons adn neutrons
neutrons have no charge
there is the same number of neutrons and electrons
16
Mixtures are
2 or more compounds mixed together, but not bonded.
2 or more elements or compounds mixed, but not bonded.
bonded chemicals
2 or more elements mixed together, but not bonded

Atomic Structure and the periodic table Flashcards | StudBud