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Mrac [35]
4 years ago
7

True or false the nucleus of an atom is made of protons and neutrons

Chemistry
2 answers:
Nataliya [291]4 years ago
8 0
True
Nucleus contain protons and neutron
the ring outside nucleus contain electron
lisabon 2012 [21]4 years ago
7 0

the answer for this question is true


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3. List the temperatures in order from warmest to
amid [387]

Answer:

3°F, 0°F, -11°F,  -16°F, -20°F

Explanation:

The Fahrenheit scale is a temperature scale proposed in 1724  by the physicist Daniel Fahrenheit.

In this scale:

- The freezing point of water is set at 32 degrees

- The boiling point of water is set at 212 degrees

One degree in the Fahrenheit scale is indicated with the symbol ^{\circ}F.

The equivalence between temperature in Celsius degrees and Fahrenheit degrees is as follows:

T(^{\circ}C)=\frac{5}{9}(T(^{\circ}F)-32) to convert from Fahrenheit to Celsius

T(^{\circ}F)=\frac{9}{5}(T(^{\circ}C)+32) to convert from Celsius to Fahrenheit

The Fahrenheit  scale is an increasing monotonic scale, it means that temperature goes from negative values towards positive values without interruption. Therefore, the temperatures listed from warmest to coldest are:

3°F, 0°F, -11°F,  -16°F, -20°F

8 0
4 years ago
Which of the following is used in pencils?
Mamont248 [21]

Answer:

1st answer:  A. Graphite

2nd answer:  B.  Mercury

Explanation:

3 0
3 years ago
Read 2 more answers
HURRY ILL GIVE BRAINLIEST! <br> Match the cause to its effect.
Natasha2012 [34]

Answer:

Cattles are giving nutrition supply throughout the year----some animals require nutrient enhancement for health

calves are given colostrum at birth----newborns require antibodies from their mothers

I dont want to write, so you know what the last option is

Explanation:

:) hope this helps

4 0
3 years ago
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Phantasy [73]
 this element must be <span>iodine.</span>
3 0
3 years ago
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1. How would the loss of tin oxide from the evaporating, due to spattering, etc. affect the empirical formula of your tin oxide?
Burka [1]

Answer:

It will have no effect

Explanation:

The loss of tin oxide to evaporation will have no effect on the empirical formula of a compound.

The empirical formula of any compound is the simplest formula of that compound by which the combining atoms can be represented.

This formula is not affect by physical changes.

According to the law of constant composition  "all pure samples of the same compound have the same element in the same proportion by mass".

Regardless of the mass loss or gain of any tin oxide compound, it will have the same empirical and molecular formula. The atoms are still combining in the ratio to give the product.

6 0
4 years ago
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