Science Flashcards
The nucleus is made up of what two particles?
Neutrons and protons
What is a characteristic of a transition metal?
Luster (shiny)
The majority of the periodic table is made up of what?
Metals
Group number tells us the number of what?
Valence Electrons
Group 1 is known as what group?
Alkali metals
am i cool?
maybe :l
Which Group is unreactive?
Noble Gases
Group 17 is known as what group?
Halogens
Period number tells us what?
Number of energy levels
What do iron, copper, and nickel have in common?
They are transition metals
Which two are in the same group?
Li and K
C and B
Cl and S
Ne and F
Li and K
Elements in the same period have similar characteristics chemically.
False
The most reactive nonmetal group is what?
Halogens
How many valence electrons do the alkali metals have?
One
How many valence electrons do the alkaline earth metals have?
Two