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3 years ago

Which statement best summarizer the importance of ernest rutherford's gold foil experiment

2 answers:

7 0

Hello! Rutherford’s gold foil experiment was actually really cool. While he put a beam of alpha particles into a sheet of gold foil, a few of those particles were easily deflected. He soon discovered that the reason those particles being deflected was because a little tiny nucleus. He was the one who found out the nuclear theory of an atom. I hope this was one of your answers. If not, feel free to message me and tell me your options. I’ll help you as much as I can. Have a great day! :)

DanielleElmas [232]3 years ago

6 0

Atoms are composed mainly of empty space.

Electrons are contained in the nucleus of an atom.

The nucleus of an atom contains almost all the mass of the atom.

The nucleus of an atom is positively charged.

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3 years ago

Read 2 more answers

What molarity is prepared when a solution contains 0.277 moles of calcium bromide in 500 mL of solution (must change mL to Liter

Vladimir79 [104]

Answer:

0.554M of Calcium Bromide

Explanation:

Molarity by defintion is #of moles of something/litres of solution.

Therefore, here, we have 0.277 moles of calcium bromide and 500mL (divide 500ml by 1000 to go from mL to L because for every 1L there's 1000mL) or 0.5L.

Molarity= 0.277/0.5 = 0.554M of Calcium Bromide

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3 years ago

match these items. three-dimensional bonding, hardest natural substance, used as lubricant, nonconductor, weak planar bonds, car

DENIUS [597]

Answer:

1. three-dimensional bonding

Diamond

2. Hardest natural substance

diamond

3. Used as lubricant

Graphite

4. nonconductor

Diamond

5. Weak, planar bonds

Graphite

6.Carbon black or soot

Amorphous

Explanation;

sorry im late, hopefully this can help somebody :)

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2 years ago

What is the pOH of a solution with [OH-] = 1.4 x 10-13?

lukranit [14]

Answer:

C. 12.85

Explanation:

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3 years ago

What causes the biggest change mass or speed?

Norma-Jean [14]

Answer:

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2 years ago