How many grams of sodium bromide must be dissolved in 400.0 g of water to produce a 0.500 molal solution?
a. 20.6 g
b. 20.0 g
c. 52.1 g
d. 2.00 g

What semimetal can form four single covalent bonds.

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.

What diagram shows the ionic compound of magnesium oxide