What element has 6 protons?

1.   ?    Lithium
2.   ?    Oxygen
3.   ?    Carbon
4.   ?    Magnesium

What element has an atomic mass of 14.007?

1.   ?    Silicon
2.   ?    Carbon
3.   ?    Nitrogen
4.   ?    Lithium

What is the chemical symbol for Sodium?

1.   ?    Na
2.   ?    S
3.   ?    So
4.   ?    Sm

What is the atom number for Potassium

1.   ?    19
2.   ?    15
3.   ?    39.098
4.   ?    4

How many protons does Magnesium have?

1.   ?    12
2.   ?    24
3.   ?    25
4.   ?    2

What is the chemical symbol for Potassium?

1.   ?    K
2.   ?    P
3.   ?    Pt
4.   ?    Pb

How much mass does one Beryllium atom have?

1.   ?    9.012 amu
2.   ?    4
3.   ?    10.81 amu
4.   ?    5

How many protons does hydrogen have?

1.   ?    1
2.   ?    1.001
3.   ?    2
4.   ?    2.001

Which period is Carbon in?

1.   ?    1
2.   ?    2
3.   ?    3
4.   ?    4

What period is Calcium in?

1.   ?    1
2.   ?    2
3.   ?    3
4.   ?    4

What period is Oxygen in?

1.   ?    1
2.   ?    2
3.   ?    3
4.   ?    4

What group is Oxygen in?

1.   ?    2
2.   ?    8
3.   ?    6
4.   ?    16

What group is Hydrogen in?

1.   ?    1
2.   ?    2
3.   ?    11
4.   ?    12

What group is Fluorine in?

1.   ?    2
2.   ?    1
3.   ?    7
4.   ?    17

What element is in group 2, period 3?

1.   ?    Boron
2.   ?    Scandium
3.   ?    Magnesium
4.   ?    Lithium

What element is in group 17 and period 4?

1.   ?    Bromine
2.   ?    Germanium
3.   ?    Iodine
4.   ?    Sulfur

What element is in group 6, period 6?

1.   ?    Tungsten
2.   ?    Tellurium
3.   ?    Rubidium
4.   ?    Polonium

Elements in the same group have the same number of valence electrons.
Which of the following has the same number of valence electrons as Oxgen?

1.   ?    Nitrogen
2.   ?    Fluorine
3.   ?    Selenium
4.   ?    Sulfur

Which of the following has the same number of valence electrons as Beryllium?

1.   ?    Calcium
2.   ?    Barium
3.   ?    Lithium
4.   ?    Boron

If Carbon has 4 valence electrons, which of the following also has 4 valence electrons?

1.   ?    Germanium
2.   ?    Tin
3.   ?    Boron
4.   ?    Oxygen

Elements in the same period have the same number of electron orbits.
Which of the following has the electrons in the same orbits as Nitrogen?

1.   ?    Phosphorus
2.   ?    Arsenic
3.   ?    Boron
4.   ?    Lithium

Which of the following has the same number of electron orbits as Argon?

1.   ?    Sodium
2.   ?    Magnesium
3.   ?    Krypton
4.   ?    Helium