Density and Units
What is the equation for density
D=M/V
density = mass divided by volume.
1 ml to meters
Protons have this type of charge
Positive
An Ion
Name this compound NaCl
Sodium Chloride (ionic)
What are the units for mass?
grams
Convert 2.56 km to meters
2560 meters
Electrons have this type of charge
negative
A negatively charged ion, that gains electrons, and is always a non-mental is known as?
The anion
Name this compound: CO3
Carbon Trioxide
With the correct units solve the following problem. A cube with a volume of 8cm3 also has a mass of 10 grams. What is the density of the cube?
1.25 grams per cm3
Convert 600 cm to mm
6000
What two subatomic particles make up the mass the periodic table
protons and neutrons
An ion with a positive charge, is always a metal is called a
cation
Using the criss cross method what is the the formula for Magnesium Nitride
Mg3N2
If a object has a density of 2.5 g/ml and a mass of 6 grams. How much volume does the object have?WITH THE CORRECT UNITS.
2.4 ml (milliliters)
Convert .0605 km to mm
60500 mm
Find the mass number of an atom that has 14 protons 10 neutrons and 14 electrons
protons + neutrons
14 +10 = 24
Name the ion that has a -2 charge and 10 electrons
Oxide
Write the formula for PentaChlorine OctaHydride
Cl5H8
What are all the possible units for volume
milliliters and centimeters cubed
On your whiteboard please draw the symbol for micro.
μ
At atom with the same number of protons and electrons, but a different number of neutrons is known as
An Isotope
Name the ion that that in Mg2+
Magnesium
Is this compound Molecular or Ionic? Explain why.
CS6
It is a molecular compound because the reaction happens between two non metals.