If an object has a mass of 140 grams and a volume of 70 mL, what is its density? (D=m/v)
What is 2 g/mL
100
How many significant figures are in the number 0.000010903
What is 5
100
What element has a proton number of 7 and neutron number of 8?
What is Nitrogen?
100
A + B -> AB
What is synthesis
100
What is the formula for Aluminum chloride?
What is AlCl3
200
Which of the following is a chemical property:
color
malleability
ability to react with acids
height
What is ability to react with acids
200
Multiply 4.0 times 6.482 and report out the correct number of sig figs
What is 26
200
Noble Gases are found in what group?
What is group 18
200
AB--> A + B
What is decomposition
200
Heat is released during a reaction. The reaction is
a) endothermic
b) exothermic
c) endemic
d) exigenic
What is exothermic
300
when a substance turns from a liquid to a solid, is this a physical change, chemical change, physical property, or chemical property?
physical change
300
How would you put the following number into scientific notation? 3010101
What is 3.010101 X 10 ^ 6
300
What charge do elements on group 2 have?
What is +2; they lose two electrons
300
AB + CD --> AD + BC
What is double displacement
300
Which two fundamental forces act within the nucleus of an atom:
electromagnetic
gravitational
strong
weak
What is strong and weak nuclear?
400
Particles in a substance vibrate in place. What state of matter is it?
What is solid
400
Using 3 significant figures, convert the following into scientific notation 5409094018209
What is 5.41 x 10^12
400
What is the mass of an atom that has the following subatomic particles: 5 protons, 6 neutrons, 7electrons
What is 11
400
AB + C --> AC + B
What is Single Displacement
400
A metal bonds with a nonmetal, electrons are transfered. What type of bond is this?
a) covalent
b) ionic
c) nuclear
What is ionic
500
Which elements on the periodic table will have similar physical and chemical properties?
1) elements with the same mass
2) elements on the same period
C) elements on the same group
What is Elements with the same group
500
6.02 x 10^23 / 6.02 x 10^-22 =
What is 1 x 10^45
500
A mystery element is on group 1. What will the element most likely be: metal, non metal, or metalloid?
What is metal
500
Sugar + Oxygen --> Carbon dioxide + water
a) single displacement
b) combustion
c) synthesis
d) decomposition