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ludmilkaskok [199]
3 years ago
15

What are the horizontal rows in the periodic table called?

Chemistry
2 answers:
mezya [45]3 years ago
7 0
In the periodic table, there are seven horizontal rows of elements called periods.
sergiy2304 [10]3 years ago
7 0

Answer:

they are called periods

Explanation:

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Something that has mass and volume; its made up of atoms
seropon [69]
Matter? all matter is made of atoms and has mass and volume. i think hope it helps
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In 1838, botanist Matthias Schleiden, determined that all plants are composed of cells. In 1839, anatomist Theodor Schwann propo
Margarita [4]

Answer:

This question is incomplete; the complete part is:

A) All cell have a cell wall.

B) All cell arise from pre-existing cells.

C) All cell are capable of photosynthesis.

D) All cell can develop into any other type of cell.

The answer is B

Explanation:

The commonly known universal theory proposed in 1838 took the contribution from three remarkable scientists namely: botanist Matthias Schleiden, anatomist Theodor Schwann and biologist Rudolph Virchow. According to the question, Mathias discovered that all plants are made of cells, Schwann determined that all animals are made of cells while Virchow determined that all living things are composed of cells.

However, in addition to Virchow's discovery, he also discovered and proposed that "All cell arise from pre-existing cells", which till date forms part of the three components of the cell theory. The three parts are:

- Cell is the fundamental and basic unit of all living things.

- All living things are made up of one or more cells

- All cells arise from pre-existing cells

6 0
3 years ago
Another name for chemical change
elena-14-01-66 [18.8K]
Another name for chemical change would be chemical reaction.
8 0
3 years ago
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Elements listed in vertical columns of the periodic table:
marysya [2.9K]
Vertical columns are called groups, or families. 

They share similar chemical properties. 

Answer: <span>have similar chemical properties</span>
3 0
3 years ago
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Calculate the mass of 488 moles of calcium carbonate
san4es73 [151]

Answer: 48800g

Explanation:

Using the mathematical relation : Moles = Mass / Molar Mass

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6 0
3 years ago
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