2 years ago

An atom of a mystery element contains 6 protons, 6 electrons, and 8 neutrons.

Chemistry

1 answer:

Leno4ka [110]2 years ago

8 0

Answer:

Explanation:

Mass number is just the value of the protons and neutrons added, in this case its 14

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When should you<br> use a fume hood?

AfilCa [17]

Answer:

if you are working with hazardous materials.

Explanation:

A properly operating and correctly used fume hood can reduce or eliminate exposure to volatile liquids, dusts, and mists. It is advisable to use a laboratory hood when working with all hazardous substances.

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3 years ago

NEEDS TO BE CORRECT EXPLAIN!!!!! I'M GIVING 50 POINTS!!!!!!!

Minchanka [31]

Hello there,

Ammonia will have a total of 4 atoms.

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2 years ago

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classify the following compounds as ionic (metal + nonmetal) , covalent (nonmetal + nonmetal) or both (compound containing a pol

musickatia [10]

Answer:

1. ionic

2. covalent

3. covalent

4. both

Explanation:

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2 years ago

What propertys does the rock state-of -matter have that wont let Logan poke his finger through it?

adell [148]

A rock is a solid, so Logan can't poke his finger through it.

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3 years ago

How many Joules of heat would be required

mote1985 [20]

Heat would be required : 1,670 J

<h3>Further explanation</h3>

Given

mass of H₂O=5 g

Required

Heat to melt

Solution

The heat to change the phase can be formulated :

Q = m.Lf (melting/freezing)

Lf=latent heat of fusion

The heat of fusion for water at 0 °C : 334 J/g

Input given values in formula :

$\tt Q=5\times 334=\boxed{\bold{1,670~J}}$

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2 years ago