at least two atoms stuck together by chemical bond
What is a molecule
100
The amount of neutrons Manganese has
What is 30 neutrons
100
Sodium Oxide
What is Na2O
100
12 m -> ? km
What is .012 km
100
Charge of group 1 after doing chemistry
What is +1
200
heterogeneous mixture
What is a mixture is a material system made up of two or more different substances which are mixed but are not combined chemically
200
Group 1 is called
What is Alkali metals
200
Ni3N4
What is Nickel ( IV ) Nitride
200
562 hm -> ? mm
What is 56,200,000 mm
200
Examples of physical change
What is size, shape, color, and smell. Doesn't change compound chemically
300
loss subatomic particles from nucleus.
What is Radiation
300
The numbers on the periodic table tell you the...
What is the amount of protons, neutrons, and electrons
300
Pb (OH)2
What is lead (II) Hydroxide and Plumbous Hydroxide
300
2.36 kL -> ? mL
What is 2,360,000 mL
300
What is not matter?
What is light, heat, sound
400
Accuracy
What is how well you can get the correct value
400
All 5 properties of a metal are
What is solid, metallic, bendable, ductile, and conductive
400
Mercury (I) Chlorate
What is Hg2(ClO4)2
400
51 mi/hr -> ft/min
What is 4,488 ft/min
500
Polarity
What is measure of the charge distribution in a molecule. Sum of all the dipoles in a molecule.
500
periodic law
What is when elements arranged by atomic number, their chemical and physical properties start to repeat regularly.
500
Scandium (III) Sulfate
What is Sc2(SO4)3
500
12 ft/sec -> mi/hr
What is 8.18 mi/hr
500
Daltons theory
What is
1) all matter is atoms
2)All atoms of the same element are identical
3)compounds are atoms combined in ratios
4) Chemical change is just atoms rearranged