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Temka [501]
3 years ago
6

How many protons do calcium have

Chemistry
2 answers:
elixir [45]3 years ago
7 0

A calcium atom has 20 protons

Vsevolod [243]3 years ago
6 0
A calcium atom has 20 protons!

There you go! I really hope this helped, if there’s anything just let me know! ☻
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Categorize them by Metal, Nonmetal, Metalloid
laila [671]

Answer:

METAL: found in periodic table, lithium, shiny, lose electrons easily, good conductor, elements

NONMETAL: brittle, ductile, semimetals, found in periodic table, often gain electrons, semiconductors, carbon, shiny, poor conductor, elements

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What is the temperature of 0.500 moles of helium that occupies a volume of 15.0 L at a pressure of 1.6 atm?
denis23 [38]

Answer:

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6 0
3 years ago
The following equation is balanced correctly. 4C2H6 + 7O2 --&gt; 6H2O + 4CO2<br> True <br> False
Ostrovityanka [42]

Answer: False

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But Oxygen is balanced, 14 on each side

4 0
3 years ago
Read 2 more answers
Which is an unreliable source?
Sunny_sXe [5.5K]

The source that is unreliable is an advertisement for acne medication claims it can clear up acne in less than one week.

<h3>What are citable sources?</h3>

Citable sources are those sources that are gotten from places that are proven to be of good standards and not from mere claims such as:

  • Science journals

  • professional organizations

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Therefore, the source that is unreliable is an advertisement for acne medication claims it can clear up acne in less than one week.

Learn more about citations here:

brainly.com/question/8130130

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5 0
2 years ago
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