Unit 3 Flashcards
1
Q
Who created the periodic table?
A
Dmitri Mendeleev
2
Q
Groups are…
A
columns (up & down)
3
Q
Periods are…
A
rows (across)
4
Q
Effective Nuclear Charge
A
the strength of the nucleus
5
Q
Most metallic element
A
Francium
6
Q
Least metallic element
A
Fluorine
7
Q
What is atomic radius?
A
8
Q
What is the atomic radius trend?
A
9
Q
What is ionization energy?
A
10
Q
What is the ionization energy trend?
A
11
Q
What is electronegativity?
A
12
Q
What is the electronegativity trend?
A
13
Q
What is electron affinity?
A
14
Q
What is the electron affinity trend?
A
15
Q
Which has a greater ionization energy: P or Ar?
A
Ar
16
Q
Which has a greater electron affinity: Ca or Ga?
A
Ga
17
Q
How do you determine what atom is larger?
A
As you go down the periodic table, the larger the atom is.
18
Q
Metalloids placement
A
19
Q
Metalloids tend to…
A
form covalent bonds
20
Q
A
