How many protons does Chlorine have?
17
Which group does Bromine belong to? (Name of the group)
Halogens
Which is bigger? C or F
C
What element has the electron configuration 1s2 2s2 2p6 3s2 3p4
Sulfur
True or False? Manganese is a nonmetal
False
How many electrons would Na+ have?
10
True or False: Metals are brittle
False
Which has more electronegativity? F or I
F
Which noble gas would be used in the shorthand configuration of Bi?
Xenon
What is a property of metals?
Malleable, ductile, lustrous, conducts electricity and heat, high melting point
Which scientist believed atoms were a ball and nothing else?
Dalton
Which group consists of the most reactive metals?
Alkali Metals
Which has less ionization energy? Be or B
Be
What is the electron configuration of Zr
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d2
Which scientist had a model that looked like our solar system?
Bohr
How many neutrons does Cobalt have?
32
Decrease
Ionization energy and electronegativity
How many electrons can fit in the s-sublevel?
2
Why would you want to use Iron instead of Calcium for a bridge or something strong even though both are metals?
Iron is much lest reactive
Hydrogen is 99% H-1, 0.8% H-2, and 0.2% H-3. Calculate its average atomic mass.
1.012
Which group in the periodic table is the least reactive group?
Noble Gases
What is ionization energy?
11
Which element has 5 neutrons?
Be