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aleksandrvk [35]
3 years ago
6

What is beta radiation?

Chemistry
1 answer:
Nutka1998 [239]3 years ago
6 0

Answer:

emission at a high speed or energy which often forms electrons

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17.The column that an element is located in tells us
krok68 [10]

Answer:

A. the total number of valence electrons an atom has.

Explanation:

The columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties.

4 0
3 years ago
What is the mass in grams for a piece of lead that has a volume of 14.8 cubic centimeters? The density of lead is 11.4 g/cc.
Oksi-84 [34.3K]

Answer:

168.72 grams

Explanation:

Density = Mass/Volume

Volume = 14.8

Mass = ?

Density = 11.4

Let x = mass

11.4 = x/14.8

Multiply both sides by 14.8

14.8(11.4 = x/14.8)

x = 168.72

8 0
3 years ago
A gas occupies 3.5L at 2.5 atm of pressure. What is the volume at 787 torr at the same temperature?
Kitty [74]

Answer: 8.45 L

Explanation:

Given that,

Initial volume (V1) = 3.5L

Initial pressure (P1) = 2.5 atm

[Since final pressure is given in torr, convert 2.5 atm to torr

If 1 atm = 760 torr

2.5 atm = 2.5 x 760 = 1900 torr

Final volume (V2) = ?

Final pressure (P2) = 787 torr

Since pressure and volume are given while temperature remains the same, apply the formula for Boyle's law

P1V1 = P2V2

3.5L x 1900 torr = 787 torr x V2

6650L•torr = 787 torr•V2

Divide both sides by 787 torr

6650L•torr/787 torr = 787 torr•V2/787 torr

8.45 L = V2

Thus, the volume of the gas at 787 torr and at the same temperature is 8.45 Liters

5 0
3 years ago
Consider the nuclear equation below.
anygoal [31]
It’s “c. +1” because the Sodium is losing a proton, which has a positive chage
7 0
3 years ago
Read 2 more answers
The single most important factor influencing potassium ion secretion is ________
Ne4ueva [31]

The single most important factor influencing potassium ion secretion is its concentration in blood plasma.

<h3>What is Plasma?</h3>

This is the liquid portion of the blood and serves as the transport medium for nutrients in the body.

When there is a high concentration in the plasma, it maximizes the concentration gradient which favors its secretion into the urinary fluid.

Read more about Plasma here brainly.com/question/2901507

4 0
2 years ago
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