2. Using a heater to heat up your cold room is an example of...

Chemistry

1 answer:

arsen [322]3 years ago

7 0

Answer:

Convection. Happens when air surrounding the heater is heated

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How has technology helped to reduce the spread of infectious disease?

Serga [27]

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4 years ago

I'd really appreciate help- this is due in around 8 hours :"D

Fed [463]

Answer:

atomic #= 1

protons equals one
Number of neutrons equals to 0
number of electrons equal to 1
mass number equals to 1

atomic number equals to 1
Protons equals to 1
number of neutrons equals to 0
number of electrons equals to 0 because the plus sign means that it loses an electron
mass number equals to 1

atomic number 17
number of protons 17
number of neutrons 18
number for electrons 18 Because negative sign means It's an anion which means it gains an electron
mass number 35