Atoms
Periodic table
Changes
Equations
Conservation of Mass
100
Which particle in an atom has a negative charge?
Electron
100
The periodic table is arranged by atomic _________.
Number
100
Chemical or physical property?
Density
Physical
100
What are the reactants of this equation?
P4O10 and H2O
100
What is the definition of the Law of Conservation of mass?
Mass/matter cannot be created or destroyed.
200
What is in the nucleus of an atom?
Proton and neutron
200
What is another name for columns on the periodic table?
Groups/Families
200
Chemical or physical property?
reacts with water
Chemical
200
How many Oxygen atoms are in the reactants of this equation?
18
200
What is an open system?
Any gas given off from an equation can escape.
300
What does the atomic number tell you about an atom?
The number of protons (which will be the same as the electrons)
300
What is another name for the rows on the periodic table?
Periods
300
Chemical or physical change?
Dissolving sugar in water
Physical
300
How many Oxygen atoms are in the product of this reaction?
6
300
20g of a substance reacts with 12g of another substance. What will be the mass of the product?
32g
400
What is a valence electron?
An electron on the outer shell
400
What is the name of group 17 (7A) on the periodic table?
Halogens
400
Chemical or physical change?
baking pie
Chemical
400
C6H12O6 + 6O2→6CO2 + 6H2O
Is this equation balanced?
No
400
10g of a substance reactants with another substance. The products are 15g of one substance and 30g of another. What is the mass of the other reactant?
35g
500
What does the atomic mass tell you?
The mass of the protons and neutrons in the nucleus.
500
Were will elements with similar properties be on the periodic table in relation to one another?
in the same group
500
What type of mixture is chex mix?
Heterogeneous
500
2 Fe + 3 Cl2 = 2 FeCl3
Is this equation balanced?
Yes
500
A reaction occurs with 10g of a substance and 20g of another. The mass of the product is 25g. What happened to the other 5g?
Given off as gas.