Please help I need to ace this test
When two atoms attach to each other by sharing electrons it is called a...
A: Covalent bond
B: Ionic bond
C: none of these - atoms can't bond to each other.
D: Nuclear bond
2nd question
Two hydrogen atoms bonded together form a compound
A: True
B: False
3rd question
Water is two hydrogen atoms bonded to an oxygen atom. This is an example of a compound
A: True
B: False
like I said I need help on this and I don't wanna fail
Answers: 1
Chemistry, 21.06.2019 22:20
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) β ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 Β°c?
Answers: 2
Chemistry, 22.06.2019 15:20
An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
Answers: 1
Chemistry, 22.06.2019 20:30
Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.
Answers: 1
Please help I need to ace this test
When two atoms attach to each other by sharing electrons it i...
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