Atoms that have become negatively charged by gaining extra electrons are called _____. anions anodes cations cathodes

Answers

Answer 1

Answer:

Answer:

Anions

Explanation:

Anions : Anions are defined as the atoms or the radicals. Atoms that have become negatively charged by gaining extra electrons are anions. For example, bromide ion (Br⁻), chloride ion (Cl⁻).

Anodes : The positively charged electrode by which an electron leave a device is called an anode.

Cations : They are the positively charged particle. For example silver ion (Ag⁺).

Cathodes : The negatively charged electrode by which an electron enter an device is called an cathodes.

Hence, the correct option is (a) " anions ".

Answer 2

Answer: Anions: negatively charged atoms

Cations: positively charged atoms (CAT-ions are PAWS-itively charged)
Anode: positively charged electrode that allows electrical current flow (positive end of battery)
Cathode: negatively charged electrode that allows electrical current flow (negative end of batter)

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19. The work output is 300 joules for a machine that is 50% efficient. What is the work input?

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Answers

a. I believe this might be the answer but
6 J/60 J= .1
.1 x 100= 10%

b. I'm not sure of this question

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On the Celsius scale, one degree indicates the same temperature change as A. one degree Fahrenheit.
B. 5/9 degree Fahrenheit.
C. one kelvin.
D. 9/5 kelvin.

Answers

Choice ' C ' is the only correct one.

The Celsius degree and the Kelvin are also the
same size as 9/5 (1.8) Fahrenheit degrees.

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What is mean by the net displacement in transverse wave

Answers

In a transverse wave, the particles are disturbed in a direction perpendicular to the direction of wave propagation. Thus, waves travel through a medium with no net displacement of the distance between two successive particles of wave that are in wavelength.

When an oxygen atom forms an ion, it gains two electrons. What is the electrical charge of the oxygen ion? A. +2 B. -1 C. -2 D. +1

Answers

C. 2-

electrons have a negative charge, thus adding two electrons to an atom will give it a charge of 2 times -1 or -2

let me correct you , You miss typed "2-" its actually "-2"

What is 3xY=4w solve for y
in formula transformation

Answers

I can't tell if the 'x' in the question is another variable, or the symbol for 'times'.
Here are the answers both ways:

3 times Y = 4w
Divide each side of the equation by 3 :
Y = (4/3) w

3xY = 4w
Divide each side of the equation by 3 :
xY = (4/3) w
Divide each side by 'x' :
Y = (4w) / (3x)

$3y = 4w \n y = 4/3 w$

$3xy = 4w \n 3y=4w/x \n y = 4w / 3x$

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Answers

The answer is totally true

yes that is very true

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