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

What are atom's subatomic particles?

protons, neutrons and electrons

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CHEMISTRY

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A#quiz#to introduce# chemistry

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Questions 20

Answers

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

CHEMISTRY Flashcards | StudBud