Which of the following is an element?
a. zinc metal (zn)
b. carbon monoxide gas (co)...
Chemistry, 29.11.2019 05:31 volleyballfun24
Which of the following is an element?
a. zinc metal (zn)
b. carbon monoxide gas (co)
c. magnesium chloride salt (mgcl)
d. hydrochloric acid (hcl)?
Answers: 3
Chemistry, 21.06.2019 20:30
Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge
Answers: 1
Chemistry, 21.06.2019 20:30
10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)
Answers: 2
Chemistry, 22.06.2019 14:30
Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers
Answers: 1
Chemistry, 22.06.2019 18:30
The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
Answers: 1
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