The Atom
Which subatomic particle has a negative charge?
Electrons
How is the periodic table organized?
In order of increasing atomic number
Which type of bond forms between a metal and a nonmetal?
Ionic bond
What type of Reaction is shown below:
NaCl -> Na + Cl
Decomposition
What unit must temperature always be measure in for the gas law equation
Kelvin
What particles are located in the nucleus of an atom?
Protons and neutrons
Where are the halogens located on the periodic table?
Group 17
Which type of bond involves shared electrons?
Covalent bond
What is the molar mass of Glycerin (C3H8O3)? (Must include correct unit!)
92 g/mol
As temperature increases, what happens to volume?
Volume increases
An atom with 17 protons belongs to which element?
Chlorine
What do elements in the same group have in common?
Same number of valence electrons!
Would Magnesium gain or lose electrons when it bonds?
Lose two electrons
Balance the equation:
Fe + H2O -> Fe3O4 + H2
3Fe + 4H2O -> Fe3O4 + 4H2
As volume increases, what happens to pressure?
Decreases
What determines whether two atoms are isotopes of the same element.
Same number of protons, different number of neutrons
Which elements on the periodic table do not react/ are stable?
Group 18/ Noble gases
Name the compound: CaCl2
Calcium Chloride
How many moles are in 132 g of CO2?
3 moles
What is 300 K in Celsius?
27 Celsius
An atom has a mass number of 23 and has 11 protons. How many neutrons does it contain?
12
Does atomic radius increase or decrease when moving down a group? What about across a period?
Increases down a group, decreases across a period
What would be the correct chemical formula of Beryllium Phosphide?
Be3P2
According to the equation:
N2 + 3 H2 -> 2 NH3
How many moles of NH3 form from 6 moles of H2?
4 moles
A gas occupies 2.0 L at 300 K and 1.0 atm. What is the new volume if the temperature increases to 600 K and the pressure increases to 4.0 atm? (include units)
1.0 L