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WorksheetsChemistry Vocab
Total questions: 33
Worksheet time: 20mins
What is a proton?
a negatively charged particle in an atom.
a particle in an atom with no charge.
a positively charged particle in an atom.
a particle in an atom with excessive energy.
Anything that has mass and takes up space is referred to as ______.
Matter
Mixture
Mass
Chemistry
An element is
a simple chemical
a complex chemical
a simple partilcle made of one type of atom
a particle made of different types of atoms
elements always found to the LEFT of the jagged line on the periodic table.
metals
non-metals
metalloids
compounds
elements always found to the RIGHT of the jagged line on the periodic table.
non-metals
metals
metalloids
elements
elements that have properties of metals and non-metals; many of them directly touch the jagged line on the periodic table.
metalloids
mass
elements
compounds
The area in an atom that contains the electrons
atomic number
electrons
boiling point
electron cloud
The same as the number of protons in an element
chemical property
atom
electron cloud
atomic number
In which mixture can you see all of the parts?
homogeneous
heterogeneous
In which mixture can you not see all of the parts?
homogeneous
heterogeneous
Rows on the periodic table are called ___________.
Periods
Sentences
Fences
The columns in the periodic table are called ___________.
Towers
Herds
Groups
Elements in the same group have __________
Similar Properties
Same number of shells
Similar Mass
the positively charged subatomic particle contained in the nucleus of an atom
proton
neutron
electron
matter
a subatomic particle, contained in the nucleus of an atom, having the same mass as a proton but no electrical charge
proton
neutron
electron
matter
Atoms of the same element that have different numbers of neutrons is called
isotopes
electrons
neutrons
protons
Which of the following is an example of a chemical change?
water freezes to form ice
sugar dissolves in water
gasoline burns in a car engine
a piece of metal expands when it is heated
Which of the following IS a physical change?
Getting a haircut
Rusty metal
sour milk
What is the BEST definition of a chemical reaction?
A change in matter that produces one or more NEW substances
When two things combine and EXPLODE.
What is the atomic number of Barium, Ba? (enlarge the periodic table)
20
38
56
88
How many protons are in a sodium atom, Na? (tap to enlarge the periodic table)
Sodium has 1 proton.
Sodium has 3 protons.
Sodium has 11 protons
An element has the mass number 12 and atomic number 6. The number of neutrons in it is:
6
10
4
8
If an atom has 10 electrons, how many protons does it have?
0
1
10
5
