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2 years ago

Which choice represents a compound?Required to answer. Single choice.

Chemistry

1 answer:

Citrus2011 [14]2 years ago

8 0

Answer:

Explanation:

Elements will only one capital letter, that may/may not have a lower case letter after it. CO has a capital letter followed by another capital, so it's a compound

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Atoms of Ca and S would be expected to react in a ratio of A) 1:1 B) 1:2 C)2:1 D)3:1

VMariaS [17]

Answer:

Option A = 1:1

Explanation:

The atoms of calcium and sulphur when react their ration is 1:1. The charge on calcium is +2 and on sulphur is -2.

Ca⁺²S⁻²

The +2 and -2 charges are cancel out and overall charge will be zero.

CaS

so their atomic ratio will be 1:1

7 0

2 years ago

How many atoms are in each compound ?

noname [10]

Compounds are made of two or more atoms of different elements, such as water (H2O) and methane (CH4). Atoms are not drawn to scale. Molecules of compounds have atoms of two or more different elements.

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2 years ago

Help meee??

Luden [163]

Answer: Monoprotic Acid

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2 years ago

How many electrons, protons, neutrons, and what is the atomic number and atomic mass (if any) does Fluoride have?

ExtremeBDS [4]

Fluoride is an anion of Fluorine

What this means is that the two have the same number of protons (9), but Fluoride has 10 electrons compared to Fluorine's 9.

So the answers are:
Protons - 9
Neutrons - 9
Electrons - 10
Atomic Number - 9
Atomic Mass - 19 g/mol

5 0

2 years ago

Read 2 more answers

A neutral atom in the ground state of Sulfur has its outer most valence electron in which orbital? f d

Natasha_Volkova [10]

Answer: The outermost valence electron enters the p orbital.

Explanation:

Valence electrons are defined as the electrons which are present in outer most orbital of an atom.

Sulfur is the 16th element of the periodic table having 16 electrons.

Electronic configuration of sulfur atom is $1s^22s^22p^63s^23p^4$

The number of valence electrons are 2 + 4 = 6

These 6 electrons enter s-orbital and p-orbital but the outermost valence electron will enter the p-orbital.

Hence, the outermost valence electron enters p orbital.

3 0

2 years ago