Oxygen, O, (number 8 ), sulfur, S, (number 16 ), and selenium, ...

[itsmyluck]

Oxygen, O, (number 8 ), sulfur, S, (number 16 ), and selenium, Se, (number 34 ) have such similar chemical properties because ________.
 
  A) their outermost shells contain the same number of electrons
  B) because they are all located close to one another in the periodic table
  C) they all have the same number of occupied shells
  D) These elements can't have similar chemical properties because they are in different periods of the periodic table

Question 2

Which of the following does not describe mass?
 
  A) how much space an object occupies
  B) kilograms
  C) how much matter is in a given object
  D) the amount of inertia in a given object
  E) grams

[mjbamaung]

Answer to Question 1

A

Answer to Question 2

A

[itsmyluck]

TY

[mjbamaung]

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