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lyudmila [28]
3 years ago
15

Helllllllppppppp meeeee pweaaseee

Chemistry
1 answer:
Crank3 years ago
4 0

they get closer together

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Name the three sub particle of an atom, their charges and their mass.
muminat

The three sub particles of an atom are protons, electrons and neutrons.

<u>Explanation:</u>

Neutrons, electrons, and protons are the three sub atomic particles of an atom. Electrons are negatively charged, protons are the positively charged and neutrons are neutral. Electrons are having 9.1×10^{-31} kg, protons and neutrons are having a mass of 1.67×10^{-24} kg.

As protons possess positive charges, so the atomic number of protons will be 1 , similarly, the atomic number of electrons will be -1 and neutron is zero. So, electrons, protons and neutrons combine together to form the atom.

As the electrons present with negative charge and protons with positive charge, along with this the protons number are equal to electrons number, this confirm the neutral nature of atoms.

6 0
3 years ago
Which of the following are molecular solids and which are covalent solids?
erastova [34]

Answer:

Covalent solids: Se8, Si, C

Molecular solids: HBr, CO2, P4O6, SiH4

Explanation:

A covalent solid consists only of one type of atom infinitely linked by covalent bonds to form a three dimensional rigid solid while a molecular solid consists of discreet molecules held together by intermolecular forces.

4 0
4 years ago
When a rock falls from outer space all the way to the groung, its called a?
goblinko [34]
It's called a meteorite.
6 0
3 years ago
What is the solvent in blood?
sergeinik [125]

Answer:

Water serves to suspend the red blood cells to carry oxygen to the cells. It is the solvent for the electrolytes and nutrients needed by the cells, and also the solvent to carry waste material away from the cells. With water as the solvent, osmotic pressure acts to transport the needed water into cells.

Explanation:

4 0
4 years ago
How many moles of KClO3 are needed to produce 480 grams of O2?
gayaneshka [121]

Answer:

2:3

You'd need 33.3 moles of potassium chlorate, KClO3 , to produce that much oxygen. Notice that you have a 2:3. mole ratio between potassium chlorate and oxygen gas, which means that, regardless of how many moles of the former react, you'll always produce 3/2 times more moles of the latter.

Explanation:

5 0
3 years ago
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