What are atom's subatomic particles?

protons, neutrons and electrons

What is the mass number?

it's the sum of protons and neutrons

results may agree or not with prediction

Inorganic chemistry is the study of:

chemical elements and compounds

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CHEMISTRY

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A#quiz#to introduce# chemistry

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Questions 20

Answers

1
How do we classify matter?
pure and homogeneous substances
pure substances and mixtures
elements and compounds
matter
2
It is a series of:
cycles
bicycles
classes
circles
3
Organic chemistry is the study of:
compounds of minerals
compounds of materials
components of cars
compounds of carbon
4
What is an example of omogeneous mixture?
water
coffee and sand
love
sugar and coffee
5
What are atom's subatomic particles?
neutrons and protons
protons, neutrons and electrons
protons
electrons and protons
6
What is the mass number?
it's the number of protons in an atom
it's the sum of electrons and protons
it's the sum of protons, neutrons and electrons
it's the sum of protons and neutrons
7
What is an example of pure substance?
wood
sand and water
kitchen salt
air
8
The seventh step is:
analyze results
hypothesis
divulging
make prediction
9
The first step is:
analyze results
hypothesis
making objective observation
make a prediction
10
The sixth step is:
analyze results
divulging
results may agree or not with prediction
make predictions
11
The fifth step is:
divulging
make hypothesis
analyze results
make predictions
12
Inorganic chemistry is the study of:
compounds
chemical elements
carbon
chemical elements and compounds
13
The experimental method is fundamental for:
science
sport
literature
grammar
14
Chemistry is the study of the composition and properties of:
matter
science
energy
things
15
In the periodic table, elements are arranged in:
mixtures and pure substances
compounds and substances
groups and periods
electrons and mass number
16
The second step is:
design the experiment
hypothesis
analyze results
making a prediction
17
The fourth step is:
make prediction
design the experiment
hypothesis
divulging
18
Every cycle is divided into:
4 steps
7 steps
3 steps
5 steps
19
Chemistry can be divided into:
light and heavy
organic and inorganic
organism and micro-organism
origins and causes
20
The third step is
analize results
make predictions
results may agree or not with prediction
divulging

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