Do the Following Represent Elements in a Group, a Period

Q10: Valence electrons are electrons located _.<br>A)in the

Q11: A sample of chlorine has two naturally

Q20: The correct symbol for the isotope of

Q21: Which of the following is the

Q33: iron<br>A)Ir<br>B)Fs<br>C)Fe<br>D)In<br>E)FE

Q38: An electron has a positive charge.

Q69: The mass number of an atom can

Q81: Write the electron arrangement for the atom

Q82: The element in this list with chemical

Q92: Identify the metalloid in the following list.<br>A)sulfur<br>B)fluorine<br>C)silver<br>D)copper<br>E)germanium