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SNC 1W - Chemistry
SNC 1W - Chemistry
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SNC1D Science Unit C: Chemistry Topic: Atoms, Elements and Compounds
Flashcards
22 cards
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Practice quiz
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Questions
22
Answers
1
2Pb(NO
3
)
2
contains:
12 oxygen atoms
6 oxygen atoms
3 oxygen atoms
2 oxygen atoms
2
Which of the following indicate a chemical change:
a colour change
all do
bubbles
heat is produced
3
A subatomic particle never found in the nucleus is the:
proton
neutron
electron
4
The plum pudding model of the atom was proposed by:
Thomson
Rutherford
Bohr
Dalton
5
The maximum number of electrons that fit into the first shell is:
any number
8
18
2
6
Matter is made up of:
energy
a vaccuum
antimatter
particles
7
Electrons are found in:
trails
shells
pathways
8
An atom that is neutral has the same number of:
electrons and neutrons
electrons and protons
neutrons and protons
9
Which is a property of non-metals?
brittle
conduct heat
shiny
conduct electricity
10
Radioactive particles bouncing off gold foil indicated the presence of a:
neutron
electron shell
atom
nucleus
11
Which of the following is true of alkali metals?
some are gases
found in family 8A
have two valence electrons
reactive in water
12
Elements on the far right of the periodic table are:
noble gases
alkali metals
halogens
alkaline earth metals
13
If I have 4 molecules of Mg(SO
4
)
2
how many oxygen atoms are present?
32
24
3
8
14
Atoms of the same type with different numbers of neutrons are called:
neutrinos
different elements
isotopes
ions
15
Fluorine has an atomic number of 9 and a mass number of 20. How many neutrons does it have?
11
9
20
29
16
As ice is heated, the temperature should stop rising as:
melting occurs
molecules move faster
17
F
2
is a
compound
Two of the following
molecule
element
18
Elements with the same valence electrons belong to the same:
period
organism
row
family
19
The valence shell of the electron is the:
inner shell
middle shell
outer shell
nucleus
20
Which is true of water?
It has 2 hydrogens and 2 oxygens
It has 1 hydrogen and 2 oxygens
It has 2 hydrogens and 1 oxygen
It has 1 hydrogen nd 1 oxygen
21
Are you ready for this test?
no
yes
22
Na and K are symbols for:
Sulphur and Phosphorous
Nickel and Krypton
Nitrogen and Calcium
Sodium and Potassium
