3 years ago

Which of the following compounds does NOT contain molecules? A. H2 B. NaCl C. CO2 D. H2O

Chemistry

1 answer:

vladimir1956 [14]3 years ago

3 0

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QUESTION 4<br> Balance this chemical equation. A H2S + B Ag ---> C Ag2S + DH2

photoshop1234 [79]

Answer:

1H2S + 2Ag --> 1Ag2S + 1H2

Explanation:

1H2S + 2Ag --> 1Ag2S + 1H2

You only have to make sure to have the same amount of each element in each side of your chemical equation

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3 years ago

What are the steps to go from the names of compounds to the formulas

marysya [2.9K]

Answer:

Explanation:

write down the formulas, use the expressions and formulas to convert

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3 years ago

The atomic number of aluminum is 13. What is the correct designation of the electron configuration of aluminum?.

Svetlanka [38]

Answer:

Its 1s22s22p63s23p1 ik it looks a lil goofy but i think its right

Explanation:

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1 year ago

An element has an atmomic number of 68. The number of protons and electron in a neutral atom of the element are?

Bess [88]

Answer:

Explanation:

An element whose atomic number is 68 (number Z), has 68 electrons and 68 protons. According to the periodic table it corresponds to the element Erbium (Er), whose mass number (A) is 167. The number of neutrons is 167-68 = 99.

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3 years ago

Four chemical compounds labeled from A to D. Compound A is CH3NH2. Compound B is CH3SH. Compound C is CH3CH2CHO with an O atom d

Alex Ar [27]

Answer:

Compound D is CH3OPO3 is the best answer

Explanation:

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3 years ago