8th Grade Chapter 1 Review

What is the charge of a proton?

The mass number (atomic mass) is the number of __________ + ____________

What type of bond involves the SHARING of electrons?

The columns (up and down) on the periodic table are called _____________

How many valence electrons does sulfur (S) have?

Because water has polar bonds, the oxygen in H2O has a slightly ________ charge

Which of these would be a good conductor?

The rows (side to side) in the periodic table are called ___________

Materials that can be hammered without breaking are called __________

Because chlorine wants a full set of 8 valence electrons, it will most likely _______

How many valence electrons does chlorine still need?

Metals tend to ________ valence electrons

How many electrons will the first energy level (ring) hold?

What does the number 6 mean?

Which electron has a HIGHER energy level?

What is the charge of an electron?

A neutral atom has equal numbers of

Isotopes have different numbers of __________

Who created the first periodic table?

Which of these is a compound?

Which of these is the smallest?

What type of bond involves the TRANSFER of electrons?

The atomic number is the number of _________

How many valence electrons do most atoms want?

How are transuranium elements made?

What is a metalloid?

The center of the atom is called the __________

When a metal loses an electron, it becomes a __________ charged ion

The number of which particle determines the type of element we have?

Water is a _________ molecule because the electrons shared by the O and H are held closer to O