Write 5,208,100,000,000

How many significant figures are there in 0.00820

Which of these is the chemical change?

A liquid has a mass of 352 g, and a volume of 0.546 L. What is the density in g/mL?

Elements in the same column have what in common?

What does each particle do in an atom?

The number of what atomic particle varies between different isotopes of the same element?

According to Bohr's model of the atom, which of the following can happen when an atom gains energy?

How many valence electrons do Noble Gases have?

How many valence electrons do Halogens have?

Write the complete electron configuration for iron.

What are photons?

What are trends on the periodic table for increasing ionization energy?

What is the chemical equation for table salt?

How do you write P2S3?

How many bonds does a linear VSEPR model have?

What does the VSEPR model look like for Br2?

Intra- vs inter- molecular forces?

What are the intermolecular forces strongest to weakest?

Which one is ionic?

Which one is covalent?

How would you finish this equation? N2 + H2 --> ____

Finish this equation, Fe2O3 + C --> ________

What is the molar mass of O?

How many liters are in a mole?

How many atoms are in a mole?

Calculate the mass percent of carbon, nitrogen, and oxygen in acetamide, C2H5NO.

The percentage composition of acetic acid is found to be 39.9% C, 6.7% H, and 53.4% O. Determine the empirical formula of acetic acid.

Find the empirical formula of 32g Br and 4.9g Mg.

NaOH + HCl --> NaCl + H20 What is the limiting reactant?

If 1.5L of a gas at 50kPa is increased to 100kPa, what is the new volume?

if 1.5L of a gas at 200K is increased to 400K, what is the new volume?