Is lead a mixture or pure substance? and is Paint a mixture or pure substance?

What is the valence electron configuration for halogens?

If molecular orbitals are created by combining five atomic orbitals from atom A and five atomic orbitals from atom B combine, how many molecular orbitals will result?

How is burning magnesium different from burning methane?

Sixty miles/hour is how many ft/sec

Indicate whether each of the following four solutions is acidic (a), basic (b), or neutral (n). Your answer should be a four letter "word" consisting of the letters a, b and n, with no commas or spaces.

What is not needed for corrosion of metals? a. oxygen c. water b. ions d. sunlight

What force can move the oceans

How many moles of NO3 are there in 6.2g

Which compound will conduct electricity when it is dissolved in water? a. CH4 b. CuSO4 c. C6H6 d. C6H12O6

Peter is 5 ft, 11 inches tall. Paul is 176 cm tall. Who is taller?