Essay Questions Flashcards
If the element copper has 29 protons, how many electrons does it have ?
29
How do you know?
I. In a normal atom there are the same number of electrons as protons
What are the 2 things you can tell about an element based on its location on the periodic table?
Periods tell how many shells of electron the element has, and groups tell how many electrons are in the elements outer shells. Elements in the same group have similar physical and chemical properties.
Explain why all compounds are molecules but not all molecules are compounds.
They’re are different kinds of molecules. Some join with atoms that produce a chemical change
Compounds are a kind of molecule produced as a result of a chemical change
What is something from your kitchen or bathroom that would help if you got stung by a fire ant?
A paste made from baking soda and water, toothpaste,or Milk of Magnesia.
