90 POINTS What is a virtual image?

1: An image that can’t be projected onto another surface

2: An image that can be projected onto another surface

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol