The electronic configuration of an element is 1s^2 2s^2 2p^6. Hkw many valence electrons does it have

Genes are NOT found inside cells. True or False

Why is staph more resistant to high salt concentration?

A teacher wants to prepare a 0.010 ppm solution of arsenic pentoxide in the laboratory for calibrating a water quality testing system. If the teacher uses 500.0 mL of water (which has a mass of 500.

Which best explains why water has a high specific heat?

if their is a bottle of water and two cups, but one is wider than the other, how much water could fit in the wider cup?

If a sample of copper with a density of 8.90 g/cm3 displaces 13.0 mL of water when placed in a beaker, what is its mass? a 1.46 g b. 0.685 g c. 116 g

Which statement accurately describes the origin and expansion of the universe

Conversion. 5 km to inches

How many kilojouls are required at 0c to melt an ice cube with a mass of 25g

Which substance is the oxidizing agent in this reaction? 2CuO+C→2Cu+CO2 Express your answer as a chemical formula.