An atom of titanium has a mass number of 48 and an atomic number of 22. A second titanium atom could have the following number of subatomic particles: A) 26 p, 22 e, 22 n B) 21 p, 21 e, 26 n C) 22 p, 22 e, 24 n D) 22 p, 26 e, 22 n

What is the correct number of neutrons in an atom of Cr? A) 30 B) 54 C) 24 D) 36

In a periodic table, vertical columns are called: A) rows B) periods C) groups D) noble gases

What is the symbol for magnesium?

A major use of the metalloids is in the manufacture of A) garbage pails B) semiconductors C) light bulbs D) soaps

The symbol "K" represents what element?

The staircase line on the periodic table separates A) metalloids from metals B) transition elements from representative elements C) metals and non-metals D) metalloids from nonmetals

Elements in Group 18 on the periodic table are known as the A) halogens B) alkaline earth metals C) transitional metals D) noble gases

In the box above the number 31 represents the A) atomic number B) mass number C) atomic mass D) number of neutrons

Which of the following matches of group number and common name is incorrect? A) Group 2 - alkaline earth metals B) Group 4 - alkali metals C) Group 17 - halogens D) Group 18 - noble gases

What is the element found in the periodic table in group 4 and period 6? A) hafnium B) selenium C) gadolinium D) chromium

The symbol "Cu" represents what element?