3 years ago

The number of • in the atom of an element determines its chemical properties.

Physics

1 answer:

anyanavicka [17]3 years ago

6 0

Answer:

Yes, the number of electrons determines the chemical properties of the atom.

Explanation:

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Select the correct answer. Which healthy snack can provide protein after physical activity? A. an orange slice B. pretzels C. yo

givi [52]

Answer:

From the given choices, the healthy snack that can provide protein after physical activity is the third option, yogurt. Yogurts are derived from fermentation of raw materials by the healthy bacteria, usually of lactobacillus origin. Other items in the choices are not able to provide protein.

Explanation:

4 0

3 years ago

Describe how a neutral material becomes attracted to a negatively charged object brought near it.

Naddik [55]

Answer:

Electric force

Explanation:

It’s like static stuff

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3 years ago

Two charged objects separated by some distance attract each other. If the charges on both objects are doubled with no change in

Serggg [28]

Answer:

(a) The force between them quadruples

Explanation:

According to coulomb's law, initial force between the two charged objects is given as;

$F_1=\frac{Kq_1q_2}{r^2}$

where;

k is coulomb's constant

q₁ is the charge on the first object

q₂ is the charge on the second object

r is the distance between the two objects

When the charges on both objects are doubled, then;

q₁ = 2q₁

q₂ = 2q₂

Force between the two charged objects will become

$F_2 = \frac{K2q_12q_2}{r^2} = \frac{4Kq_1q_2}{r^2} = 4(\frac{Kq_1q_2}{r^2}) = 4F_1$

Therefore, the force between them quadruples

4 0

3 years ago

A teen who weighs 180 pounds normally is standing on a scale inside an elevator The elevator is moving downwards with a constant

nignag [31]

Answer:

174

Explanation:

and 182

7 0

3 years ago

Which of the following is an example of velocity?

saveliy_v [14]

Answer:

Explanation:

b is 55 miles per hour south or 55mph[South]

the important part to understand is that velocity is a vector meaning it also has to have a direction, in this case south. That is why a (2m/s) is not a velocity, however 2m/s is a speed.

8 0

3 years ago