What type of property is melting point, physical or chemical?
physical
How many atoms is 0.62 mol of copper?
3.73 x 1023 atoms
What is the electron configuration for gallium?
1s22s22p63s23p64s23d104p1
Which group on the periodic table does cesium belong to?
alkali metals
Which types of bond will 2 calcium atoms have between them?
metallic
Which type of change causes the substance to change its identity?
chemical change
How many moles is 5.92 x 1025 atoms of aluminum?
98.3 mol
Which element has this orbital notation?
Chlorine
Which group on the periodic table has 2 valence electrons?
Alkaline Earth metals
What charge of ion will phosphorus make?
-3
Is burning a physical or chemical change?
Chemical change
How many moles of magnesium are in 17.8 g?
0.73 mol
Which element has this electron configuration?
1s22s22p63s23p64s23d5
Manganese
The ability of an atom to attract electrons
electronegativity
When magnesium and oxygen form a compound, what type of compound will they make?
ionic
Is density an extensive or intensive property?
What is the mass in grams of 1.85 mol of sulfur?
59.3 g
What is the noble gas notation for tin
[Kr]5s24d105p2
How does atomic radius change from left to right across a period?
Decreases
What is the chemical formula for the compound that lithium and sulfur make when combined together?
Li2S
Which of the following is not a physical change?
Cutting, evaporating, bonding, dissolving
Bonding
What is the mass in grams of 4.62 x 1023 atoms of carbon?
9.22 g
Which period and group is the element with this noble gas notation in? [Ar]4s23d104p4
Period 4, Group 16 (or 6A)
Which element has the larger ionization energy, magnesium or calcium?
What is the chemical formula for the compound that is made when barium and phosphorus combine?
Ba3P2