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Chemistry
Chemistry
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A review of chemistry unit
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Chemistry is a branch of science that studies
animals and their interaction in their environment
composition, properties and change of matter
the motion of matter and its behavior in space and time
microorganisms, plants and human beings
2
Which subatomic particle is located outside the nucleus?
proton
positron
electron
neutron
3
The periodic table organizes elements into categories such as
Rock and Minerals
Metals and Non-Metals
Mixtures and Compounds
Molecules and Atoms
4
Which law states that matter cannot be create or destroyed?
Newtons Law of Reaction
Law of Conservation of Matter
Law of Destroyed Matter
Kepler's 2nd Law of Matter
5
Which scientist organized the elements into the periodic table?
Issac Newton
Charles Darwin
Albert Einstein
Dmitri Mendeleev
6
Which phase of matter is represented in the diagram?
Solid
plasma
gas
liquid
7
Which phase change is represented by arrow 6?
Evaporation
Condensation
Melting
Freezing
8
Which model that shows how likely an atom is likely to bond with another atom?
Atom Bonding Model
Einstein Model
Bohr Model
Model of Bonding
9
Ancient greek philosophers believed that all matter was made of 4 elements known as:
Sun, Moon, Pluto and Venus
Earth, Water, Fire, and Air
Hydrogen, Oxygen, Sulfer, and Carbon
Apples, Oranges, Pears and Plums
10
Which action forms a different chemical substance?
Freezing water
Chopping wood
Burning wood
Melting ice
11
Elements in the periodic table are arranged
by order discovered
by atomic number
alphabetically
by color
12
What forms when 2 or more different atoms bond together?
compound
element
formula
fire
13
Substances that undergo change in a chemical reaction are called
metals
products
changed substances
reactants
14
Element #1 on the periodic table is
helium
oxygen
lithium
hydrogen
15
Anything that has mass and takes up space is
matter
chemistry
dust
air
16
The following elements are all gases at room temperature
hydrogen, oxygen, nitrogen
oxygen, bismuth, copper
potassium, gold, nitrogen
hydrogen, sulfer, silver
17
The basic unit of a chemical element is called
a nucleus
an atom
a cell
a compound
18
Which family of elements are unlikely to bond with other elements?
Alkaline Earth Metals
Halogens
Alkali Metals
Noble Gases
19
Which phase of matter has no definite shape or volume?
gas
water
liquid
solid
20
Which phase change is represented by arrow 1?
sublimation
melting
freezing
evaporation