ANSWER THESE 3 QUESTION AND I WILL GIVE OUT THE BRAINLIEST

Chemistry

2 answers:

Lana71 [14]2 years ago

6 0

Answer:

A positive acceleration means and increase

A negative acceleration is a decrease

a zero acceleration is a constant movement so its not increasing or decreasing just constant

Explanation:

ladessa [460]2 years ago

4 0

<h2> $\sf \pink{Question}$ </h2>

What is a positive acceleration ?

<h2> $\sf \blue{Answer}$ </h2>

If the velocity of an object increases with time, its acceleration is positive.

<h2 /><h2> $\sf \pink{Question}$ </h2>

What is a zero acceleration ?

<h2> $\sf \blue{Answer}$ </h2>

Zero acceleration is an acceleration, just with zero magnitude. Motion with constant velocity is just a special case of motion with uniform acceleration.

<h2> $\sf \pink{Question}$ </h2>

What is a negative acceleration ?

<h2> $\sf \blue{Answer}$ </h2>

A negative acceleration means you will subtract from the current value of the velocity, and a positive acceleration means you will add to the current value of the velocity. ... And if the acceleration points in the opposite direction of the velocity, the object will be slowing down.

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Use the periodic table to choose the element that matches each description.

nika2105 [10]

Using the periodic table to choose the element that matches each description include the following below:

Halogen: iodine

Group IIA: magnesium

Nonreactive: argon

Alkali metal: potassium.

<h3>What is a Periodic table?</h3>

This contains elements which are arranged according to the order of their atomic number in a tabular form. There are 18 groups which are the vertical columns present while there are 8 periods which are the horizontal rows present in the periodic table.

Example of an alkali metal is potassium while the non reactive ones include argon, neon etc. Examples of halogens include chlorine, iodine etc. are the ones which have seven electrons in their outer electron shells thereby just requiring one electron to achieve to obtain a stable octet configuration.

These are therefore the elements which match the descriptions provided in this case and is the most appropriate choice.

Read more about Periodic table here brainly.com/question/15987580

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Which terms describe plastics that can and potentially be recycled?

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Enter the appropriate symbol for an isotope of calcium-42 corresponding to the isotope notation AZX

Sergio [31]