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Luba_88 [7]
3 years ago
7

Which describes the fourth state of matter known as plasma

Chemistry
2 answers:
tester [92]3 years ago
6 0

an ionized gas consisting of positive ions and free electrons in proportions resulting in more or less no overall electric charge, typically at low pressures (as in the upper atmosphere and in fluorescent lamps) or at very high temperatures (as in stars and nuclear fusion reactors).

Elis [28]3 years ago
5 0

It is a gas containing nuclei and electrons

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Catalina received her bank statement showing a savings account balance of $1,056.33. Not shown on the statement were a deposit o
Dafna1 [17]
$724.73 this would be the answer because if you subtract 320.50 and 86.10 from the 1056.33 then add 75 you get 724.73
6 0
3 years ago
1. Which statement describes the earliest model of<br><br> the atom?
zloy xaker [14]

Answer:

A). An atom is an indivisible hard-sphere.

Explanation:

The 'Atomic Theory' of Dalton is characterized as the earliest model(came in 1803) which described the atoms as the indivisible and resistant spheres. He <u>used the example of watermelon to elaborate that the atoms of a specific element share similar characteristics</u> and the atoms of distinct elements differ in their mass as well as their size. Thus, <u>option A</u> is the correct answer.

5 0
3 years ago
Is gold a compound or an element
timurjin [86]
Gold is an element (Au) you can identify it on a periodic table
3 0
3 years ago
If an individual proton has mass 1.007825 amu, and an individual neutron has mass 1.008665 amu, what's the calculated mass of a
german

Answer:

C) 237.96682 amu

Explanation:

The symbol for neptunium-236 is given as;

²³⁶₉₃Np

This element has 93 protons and (236 - 93 = 143) neutrons.

Mass Number =Total mass of Protons + Total mass of neutrons

Total Mass pf protons = 93 * 1.007825 amu, = 93.727725 amu

Total mass of Neutrons = 143 * 1.008665 amu = 144.239095 amu

Mass = 144.239095 + 93.727725  = 237.96682 amu

Correct option is option C.

7 0
3 years ago
Just need the two blanks filled :)
Anestetic [448]

Answer:

Dont answer this question its an online exam question

Explanation:

5 0
3 years ago
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