3 years ago

A penny weighs 250 centigrams. How may grams is this ?

Chemistry

2 answers:

notka56 [123]3 years ago

4 0

Answer:The standard form is

250

Explanation:

antiseptic1488 [7]3 years ago

3 0

Answer: 2.5

Explanation:

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Explain atoms contain positively charge protons and negatively charge electrons. why does an ordinary atom have no charge?

tatiyna

An ordinary atom is balanced for instance, lithium has 3 protons and 3 electrons the positively charged proton cancels the negatively charged electron.

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Answer:

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Answer:

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2 years ago

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3 years ago

Read 2 more answers

Be sure to answer all parts. Rubidium and bromine atoms are depicted at right. Answer the following questions. (a) What is the c

finlep [7]

The complete question is found on the image attached.

Answer:

a) Rb= +1, Br= -1

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c) C

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This RbBr is an ionic compound.

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