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1 year ago

When an atom gains electrons, it is called a (an) _ and has a __ charge.

Chemistry

1 answer:

jolli1 [7]1 year ago

5 0

Answer:

When an atom gains/loses an electron, the atom becomes charged, and is called an ion. Gaining an electron results in a negative charge, so the atom is an anion

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Be(OH)2 is solid why?

pickupchik [31]

Answer:

no it's not solid rather it's an aqueous

Explanation:

B/c Barium hydroxide is used in analytical chemistry for the titration of weak acids, particularly organic acids. Its clear aqueous solution is guaranteed to be free of carbonate, unlike those of sodium hydroxide and potassium hydroxide, as barium carbonate is insoluble in water.

8 0

1 year ago

A child has a toy balloon with a volume of 1.80 L. The temperature of the balloon when it was filled was 293 K at a pressure of

Mekhanik [1.2K]

Answer:

2.42L

Explanation:

Given parameters:

V₁ = 1.8L

T₁ = 293K

P₁ = 101.3kPa

P₂ = 67.6kPa

T₂ = 263K

Unknown:

V₂ = ?

Solution:

To solve this problem, we are going to use the combined gas law to find the final volume of the gas. The combined gas law expression combines the equation of Boyle's law, Charles's law and Avogadro's law;

$\frac{P_{1} V_{1} }{T_{1} } = \frac{P_{2} V_{2} }{T_{2} }$

All the units are in the appropriate form. We just substitute and solve for the unknown;

101.3 x 1.8 / 293 = 67.6 x V₂ / 263

V₂ = 2.42L

7 0

2 years ago

The shape of the land is referred to as

Tomtit [17]

The answer might be terrain, if that helps.

6 0

3 years ago

Why do some athletes use anabolic steroid and what are the side effects of using anabolic steroids

Galina-37 [17]

Some athletes use anabolic steroids in order to make their performance better, but the side effects are destroyed testicles, bad vision, bad sleeping habits, bald head.
hope this loves.

7 0

3 years ago

Scientists examine fossils from three different animals. They determine that all three animals share similar structures and

mezya [45]

Answer:

C,B,A

Explanation:

C has the most similar structure

B has the second most similar structure

A has the least similair structure

6 0

2 years ago

When an atom gains electrons, it is called a (an) _____ and has a ______ charge.

When an atom gains electrons, it is called a (an) _ and has a __ charge.