Which of the following are likely to form a covalent bond?
1. two gold atoms
2. two neon atoms
3. hydrogen and oxygen atoms
4. magnesium and bromine atoms

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

The minerals found in bones are deposited by living cells called

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na, so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g