Illustrate a model of a calcium atom including the number and position of protons neutrons and electrons in the atom

The model would look something like the image below.

There would be a central nucleus containing 20 protons and 20 neutrons.

Surrounding the nucleus would be four concentric rings (energy levels) containing 20 electrons.

Going out from the nucleus, the number of electrons in each ring would

be 2, 8, 8, 2.

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them  

explanation:

0.07 g/cm³

1.37 g/cm³