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3 years ago

Describe how kinetic energy is related to temperature.

1 answer:

6 0

Temperature is the average kinetic energy of the particles of matter. the hotter something is the more kinetic energy it has. ... temperature heats up the particles they have more kinetic energy and move and bounce into each other and spread out.

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Are metal and non-metal elements typically ionically bonded? Explain.

victus00 [196]

Answer: Yes, metals and non-metals forms ionic bonds.

Explanation:

Ionic bond is defined as the bond which is formed by complete transfer of electrons from one atom to another atom.

The atom which looses the electron is known as electropositive atom and the atom which gains the electron is known as electronegative atom. This bond is usually formed between a metal and a non-metal.

For Example: Formation of sodium chloride

Sodium is a metal and is the 11th element of periodic table having electronic configuration of $[Ne]3s^1$

To form $Na^{+}$ ion, this element will loose 1 electron.

Chlorine is a non-metal and is the 17th element of periodic table having electronic configuration of $[Ne]3s^23p^5$ .

To form $Cl^{-}$ ion, this element will gain 1 electron.

By criss-cross method, the oxidation state of the ions gets exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound.

So, the compound formed between sodium and chlorine atom is NaCl

Hence, metals and non-metals forms ionic bonds.

8 0

3 years ago

Which rock composed of a mineral that can be used for the production of cement?

Kamila [148]

I believe the answer is Limestone
Limestone is one of the vital minerals that is used to make cement. It is a sedimentary rock composed mostly of the calcium carbonate and, according to mineral coalition, it comprises about 15% of the Earth's sedimentary crust.

6 0

4 years ago

HELP I WILL MARK YOU AS THE BRAINLIEST ANSWER

borishaifa [10]

Hey there! Here is the answer:

B.) decrease; increase

Here's why:

As you move from left to right across a period on the periodic table the size of an atom will decrease. As you move from top to bottom down a group on the periodic table the size of an atom will increase.

I really hope this answer helps you out! :)

8 0

3 years ago

What is the number of significant figures in 12.0160 mL of water?

likoan [24]

Answer:

To calculate the number of significant figures in a number with decimal,

start at the first non-zero digit in the number and count the total number of digits till the end

hence, in this number:

we will have 6 significant figures

4 0

4 years ago

Why is Azulene aromatic ?

evablogger [386]

Add 2 that’s why and I said if

3 0

3 years ago