The number of protons in the the nucleus of an element is called the...?
atomic number
1 of 24
A substance made from two or more elements chemically bonded together is called a...?
compound
2 of 24
A chemical bond involving the sharing of pairs of electrons between atoms is called...? bonding
covalent
3 of 24
A... reaction occurs when one element replaces another in a compound
displacement
4 of 24
...? is a method of separating a liquid mixture by evaporation and condensation of the collected vapours.
distillation
5 of 24
Using an electrical current to perform a decomposition reaction is called...?
electrolysis
6 of 24
A substance made up of only one type of atom is called an...?
element
7 of 24
Electrons have different amounts of energy and are arranged in...?
energy levels
8 of 24
A reaction that gives out energy to the surroundings is...?
exothermic
9 of 24
A giant 3D arrangement of atoms that are held together by covalent bonds (eg graphite) is called a ...?
giant covalent structure
10 of 24
A giant...? lattice are oppositely charged ions tightly packed together in a regular pattern
ionic
11 of 24
The columns in the periodic table which contain elements with the same number of electrons in their outer shell is called a...?
group
12 of 24
Non metallic elements called...? are found in group 7 of the periodic table
halogens
13 of 24
An...? is a electrically charged atom or molecule
ion
14 of 24
...? is a chemical bond involving the electrostatic attraction between oppositely charged atoms
ionic bonding
15 of 24
A compound where ions are held together by ionic bonds is called a...?
ionic compound
16 of 24
The number of protons and neutrons in the nucleus of an element is called the...?
mass number
17 of 24
Metal atoms lose outer electrons and form positive ions. The electrons drift around the lattice of positive metal ions holding them together. This process is called...?
metallic bonding
18 of 24
A substance with two or more elements that are not chemically bonded together is called a...?
mixture
19 of 24
A reaction that adds oxygen to a chemical (loss of electrons) is called...?
oxidation
20 of 24
The rows in the periodic table which contain elements with the same number of electron shells are called...?
periods
21 of 24
A reaction that removes oxygen from a chemical (gain of electrons) is called...?
reduction
22 of 24
The relative...? mass is a measure of how heavy atoms are
atomic
23 of 24
The sum of the relative atomic masses of the elements in a substance is called the relative...? mass
formula
24 of 24
Other cards in this set
Card 2
Front
A substance made from two or more elements chemically bonded together is called a...?
Back
compound
Card 3
Front
A chemical bond involving the sharing of pairs of electrons between atoms is called...? bonding
Back
Card 4
Front
A... reaction occurs when one element replaces another in a compound
Back
Card 5
Front
...? is a method of separating a liquid mixture by evaporation and condensation of the collected vapours.
Comments
No comments have yet been made