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Duplicate of Meadowvale SNC1D Chemistry
Duplicate of Meadowvale SNC1D Chemistry
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SNC1D Science Unit C: Chemistry Topic: Atoms, Elements and Compounds
Flashcards
22 cards
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Questions
22
Answers
1
Matter is made up of:
antimatter
a vaccuum
energy
particles
2
Which of the following is not an indication of a chemical reaction? A new:
colour
precipitate
state of matter
odour
3
Elements with the same valence electrons belong to the same:
row
period
family
organism
4
Radioactive particles bouncing off gold foil indicated the presence of a:
electron shell
nucleus
atom
neutron
5
Electrons are found in:
shells
pathways
trails
6
An arrow in a chemical equation indicates the:
product
production
reaction
reactant
7
The valence shell of the electron is the:
nucleus
middle shell
inner shell
outer shell
8
Na and K are symbols for:
Nickel and Krypton
Nitrogen and Calcium
Sodium and Potassium
Sulphur and Phosphorous
9
Elements on the far right of the periodic table are:
halogens
noble gases
alkali metals
alkaline earth metals
10
Salt water is an example of a:
compound
element
mechanical mixture
solution
11
An atom that is neutral has the same number of:
electrons and protons
electrons and neutrons
neutrons and protons
12
Which is a property of non-metals?
brittle
conduct electricity
shiny
conduct heat
13
Atoms of the same type with different numbers of neutrons are called:
different elements
ions
isotopes
neutrinos
14
The maximum number of electrons that fit into the first shell is:
18
8
any number
2
15
The plum pudding model of the atom was proposed by:
Dalton
Bohr
Thomson
Rutherford
16
A subatomic particle never found in the nucleus is the:
neutron
electron
proton
17
2Pb(NO
3
)
2
contains:
2 oxygen atoms
6 oxygen atoms
12 oxygen atoms
3 oxygen atoms
18
Fluorine has an atomic number of 9 and a mass number of 20. How many neutrons does it have?
11
9
20
29
19
A positive test for oxygen is that a glowing splint will:
stay the same
explode
relight
go out
20
Pure substances consist of:
elements and solutions
compounds and elements
elements and mechanical mixtures
compounds and solutions
21
As ice is heated, the temperature should stop rising as:
molecules move faster
melting occurs
22
Water decomposes into hydrogen and oxygen with the help of electricity. The reactant is:
water
oxygen
hydrogen
electricity
