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3 years ago

Which state of matter would be described as having highly energized, charged particles that move extremely fast

1 answer:

8 0

There are four states of matter, solid, liquid, gas and plasma. Their formation is as when solid is heated it converts into liquid, liquid on heating converts into gases and gases on heating converts into plasma.

Plasma:
Plasma is the fourth state of matter. It is the highest energy state of matter.

Composition:
Plasma is made up of negatively charged and positively charged particles.

Result:
The answer to your question is Plasma.

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What volume would 312g of alcohol occupy

Aleksandr-060686 [28]

Answer:

Density=Mass/volume

0.91g/ml=312g/volume

Volume=343ml

Explanation:

3 0

3 years ago

How many parts per million of lead is found in 250 ml of water if there is 1.30g of lead in the water? 1ml=1g

SSSSS [86.1K]

Answer:

5200 ppm

Explanation:

As per the definition, parts per million of a contaminant is a measure of the amount of mass of contaminant present per million amount of the solution. It is denoted by ppm.

Given in the question,

Water = 250 ml = 250 g

Lead = 1.30 g

So,

ppm of Lead = $\frac{Lead}{Water} \times 10^6$ = $\frac{1.30}{250} \times 10^6$ = 5200 ppm

So, as calculated above, there is 5200 ppm of lead present in 250 ml of water.

6 0

3 years ago

Isotopes: are atoms of different elements which have the same mass are atoms of the same element with equal numbers of neutrons

koban [17]

I can't understand your option because there is no full stop however

isotopes are 2 or more form of elements that contain equal number of proton but different number of neutron in their nuclei

4 0

3 years ago

Read 2 more answers

One day, after much exercise, my friends and I were thirsty. Upon searching through the refrigerator, we found a variety of liqu

antiseptic1488 [7]

Answer:

Water = compound, Orange juice with extra pulp = suspension, Milk = colloid, Calcium = Element, Iced tea = solution.

Explanation:

3 0

2 years ago

Fill in the missing mass number and atomic number for each of these particles or types of radiation.

Akimi4 [234]

Answer:

Particle / mass number atomic number

type of radiation

alpha / ⁴₂ He 4 2

beta / e⁰ 0 - 1

gamma / γ 0 0

neutron / n 1 0

Explanation:

These are the basic types of radiation: alpha (α), beta (β), gamma (γ), and neutrons (n).

The radiation is emitted by unstable nuclei when undergo radiactive decay or by nuclei that are shooted by other particles.

Alpha radiation (⁴₂ He):

They are nuclei of helium-4 atoms: 2 protons and 2 neutrons.

Hence, the atomic number, which is the number of protons, of these particles, is 2; and the mass number, which is the sum of protons and neutrons, is 2 + 2 = 4.

The symbol of this radiation is ⁴₂ He, where the superscript to the left of the chemical symbol is the mass number and the subscript to the left of the chemical symbol is the atomic number.

Beta (⁰₋ ₁ e)

These are electrons emiited from an unstable nucleus. The symbols used for this particle are either ⁰₋ ₁β or ⁰₋ ₁e.

The superscript 0 indicates that the relative mass of this particle is practically zero and the subscript -1 tells that the emission of electrons increases the atomic number of the nucleus that emits it.

Gamma (⁰₀γ)

The gamma rays are electromagnetic radiation of high (the highest) energy.

The both superscript and subscript are zero, meaning that this radiation does not change either the mass or atomic numbers of the nucleus.

Neutron (¹₀n):

Neutrons are also emiited from the nucleus and so they may be considered a radiation.

The atomic number of neutrons is 0 (since it does not have protons) and its mass number is 1.

4 0

3 years ago

Read 2 more answers