Mid Term Review

The density of diamond is 3.5 g/mL.  What is the volume of 0.25 g?

How many protons does aluminum have?

What are the bond angles for CH₄?

50.15 g Hg = ? mol Hg

Who is credited with discovering the periodic table?

Quantitative data includes which of the following?

Which unit is the largest?

The speed of light

A vertical column on the periodic table is known as what?

Isotopes of an element contain a different number of what?

A horizontal row on the periodic table is known as what?

The study of matter and changes it undergoes is known as what?

0.25 g = ?

A testable statement is what?

Which set of elements did Mendeleev leave off his periodic table?

Which family of elements does magnesium belong?

0.5 kg = ? g

2.50 mol Ca = ? g Ca

How many valence electrons does carbon have?

Which is not a branch of chemistry?

The quantity of matter per unit of volume is what?

What is the chemical symbol for antimony?

The mass of a 5.00 mL sample of gold is 96.5 g.  What is the density in g/mL?

Which quantum number designates the energy level?

The symbol to measure mass is what?

What is the atomic number for potassium?

Which family of elements contains metals, nonmetals, and metalloids?

Which of the following is a chemical change?

Which subatomic particle has no charge?

Which of the following a physical change?

How many electrons can the third energy level hold?

Who developed the atomic theory?

Which of the following is not an SI base unit?

Which structure below is linear?

In which state of matter are the particles closely packed together?

A neutral carbon atom has

Zinc-66 has

How many electrons can an f orbital hold?

The unit m³ measures what?

Which family of elements is unreactive?

Which element has the electron configuration [Ne]3s²?

If a molecule has an electron pair geometry of trigonal planar, what are the bond angles?

The density of aluminum is 2.70 g/mL.  What is the mass of 1.50 mL?

A chemical change occurs when

39.39 g Au = ? atoms Au

What is the charge of an electron?

What is the standard unit for length?

Argon has how many electrons surrounding the nucleus in a neutral atom?

Which element has the symbol P?

Which quantum number designates the shape of the orbital?