Matter Terms
Isotopes
Ions
Separation of a Mixture
Nomenclature
100
2 or more atoms (could be the same atom, or different) bonded together.
What is a molecule?
100
An atom with the same number of protons as another, but a different number of neutrons.
What is an isotope?
100
An atom with the same number of protons, but a different number of electrons.
What are ions?
100
This property can be used to separate iron from a mixture.
What is magnetism?
100
Sodium hydroxide
NaOH
200
A substance containing multiple parts, but all the parts are the same.
What is a pure substance?
200
This atom has 6 protons, 6 electrons, and 8 neutrons.
What are the subatomic particles in a neutral atom of Carbon-14?
200
Ions can have either a positive charge (_____) or a negative charge (_____).
What are cations and anions?
200
This technique can separate a solid from a liquid.
What is filtration?
200
The number of nitrogen atoms in ammonium oxide.
2
300
A type of substance made up of a single type of atom, identifiable by its proton number.
What is an element?
300
It does not matter if isotopes have the same or different number of this subatomic particle.
What are electrons?
300
This ion has 12 protons, 13 neutrons, and 10 electrons.
What are the subatomic particles in a Magnesium-23 ion?
300
During the separation of a mixture lab, you receive the following masses:
Mixture: 2.50 g; Iron: 1.15 g
Filter paper: 1.25 g; Filter paper + sand: 1.77 g
Flask: 66.24 g; Flask + salt: 66.99 g
What is the mass of sand?
0.52 g
300
Copper (II) sulfide
CuS
400
Which of the following is a pure substance?
A
400
A neutral isotope of Chromium has a mass number of 51. How many neutrons does it have?
27 neutrons.
400
How many valence electrons do atoms in Group 13 have? What charge do they have when they form ions?
3 valence electrons, +3 charge
400
If the original mixture had a total mass of 1.33 grams and you isolate 0.51 grams of salt, what is the mass percent of salt?
38.34%
400
Fe3(PO4)2
Iron (II) phosphate
500
DRAW: a mixture of 2 different compounds.
:D
500
For 2 atoms to be considered isotopes of each other, they MUST have the same number of this subatomic particle.
What are protons?
500
An ion of astatine-210 would have _____ protons, _____ neutrons, and _____ electrons.
85, 125, 86.
500
This might happen if your filter paper did not dry for long enough.
Why is the percentage of sand too high?
500
The number of oxygen atoms in beryllium acetate.
4