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julia-pushkina [17]
3 years ago
12

How many Groups is the modern periodic table divided into? A. 2 B. 3 C. 7 D. 18

Chemistry
2 answers:
RSB [31]3 years ago
4 0
18

In chemistry, a group is a column of elements in the periodic table of the chemical elements. There are 18 numbered groups in the periodic table; the f-block columns are not numbered.
velikii [3]3 years ago
3 0

Answer:

18.

Explanation:

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This element is a liquid at room temperature.<br> (A) Hg<br> (B) Th<br> (C) Na<br> (D) Cl<br> (E) Co
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Which statement is true about tomato juice?
sveta [45]

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8 0
3 years ago
A bar of copper has a mass of 216g and a volume of 24cm^3. What is the density of copper?
7nadin3 [17]

Answer:

<h2>The answer is 9 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

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density  =  \frac{216}{24}   \\

We have the final answer as

<h3>9 g/cm³</h3>

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3 0
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