Periodic Table Flashcards
What are the group 1 metals called?
Alkali Metals.
As you look down group 1 elements does the melting point increase or decrease?
The melting point decreases.
Can group 1 metals be cut with a knife?
Yes.
Can group 1 elements float on water?
Yes.
As you look down group 1 does the reactivity increase or decrease?
The reactivity increases.
As you look down group one does the density increase or decrease?
The density increases.
How many electrons do group 1 elements lose or gain to get a full outter shell?
Group 1 elements need to lose 1 electron to get a full outter shell.
What is the charge on a proton?
Positive.
What is the charge on a neutron?
No charge.
What is the charge on an electron?
Negative.
When do atoms need to loose electrons?
During a Chemical Reaction.
What makes up the nucleus of an atom?
Protons and Neutrons.
What is the maximum amount of electrons that can fit in the first shell of an atom?
2.
The more shells on an atom have less attraction to the nucleus. Why?
There is more shielding to the nucleus meaning the attraction to the nucleus is less.