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Ne4ueva [31]
4 years ago
6

if the atomic number of Potassium is 19 and its mass is 39 what will be the number of electrons protons and neutrons and atoms a

lso give its symbol and sure its electronic configuration pictorially​
Chemistry
1 answer:
shtirl [24]4 years ago
3 0

Answer:

Explanation:

Symbol: K

Protons = 19

Electrons in an atom: 19

Neutrons: 39 - 19 = 20

Draw the nucleus at the center. Label it with 19 Protons and 20 Neutrons.

Draw a circle around the nucleus.

Put two dots opposite each other on the circle's circumference.

Draw another circle with its center at the nucleus bigger than you first circle.

Space 8 electrons around the circumference.

Draw a third circle like the other 2 only bigger.

Space 8 electrons around this circle's circumference.

Draw 1 more circle bigger than the third circle.

It has 1 electron.

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A 1.2 kg block of iron at 32 ∘C is rapidly heated by a torch such that 12 kJ is transferred to it. What temperature would the bl
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Explanation

Hello,

You are using a torch to warm up a block of iron that has an initial temperature of 32°C.

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