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8_murik_8 [283]
3 years ago
7

What does the number of protons determine?

Chemistry
1 answer:
Anastasy [175]3 years ago
3 0

Answer:

Number of protons determine the atomic number

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Anne is trying to attract her metal pencil box with a magnet from the other side
Dima020 [189]

Answer:

The pencil box is too far away from the magnet to make it move.

Explanation:

The most likely scenario here is that the pencil box is too far away from the magnet to make it move.

A magnet has a force field around it which dictates the region where magnetic influences can be felt when a magnetic body is brought near it.

Outside the force field, a magnet has no effect on a magnetic body.

  • Since the magnet is not attracting or repelling the metallic box of pencils, they most be located outside the field of force of the magnet.
  • When they are within the force field, repulsion or attraction occurs and the field draws the metal to itself or repel.

Objects that are far away from a magnetic source will feel no effect of the force field of a bar magnet.

5 0
3 years ago
if you where too smoke a menthol cigarette in space, would your lungs explode? some of my friends said it would
Ludmilka [50]
I dont think your lung will explode
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What organisms can be infected by Ebola ​
Alenkasestr [34]
Human organisms, and animals can also be infected by Ebola
8 0
3 years ago
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how many moles of silicon are in 245 g of silicon? a. 8.72 mol b. 28.0 mol c. 1.10 × 10-1 mol d. 6.90 × 103 mol
il63 [147K]
Atomic mass silicon = 28.085 u

1 mol Si ---------------- 28.085 g  
?  ------------------------ 245 g

245 x 1 / 28.085 => 8.72 mol

answer A
8 0
3 years ago
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We gave an object with a density of 620 g/cm^3 and a volume of 75cm^3. What is the mass of this object?
Hitman42 [59]
d=\frac{m}{V} \ \ \ \Rightarrow \ \ m=dV\\\\
d=620\frac{g}{cm^{3}}\\
V=75cm^{3}\\\\\
m=620\frac{g}{cm^{3}}*75cm^{3}=46500g
6 0
3 years ago
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