10 Periodic Table PRE-Assessment

LT#1: These elements on the periodic table are known to be shiny, malleable, and ductile.

• metals

• nonmetals

• metalloids

LT#1: Which of the following pairings is correct?

• Chlorine - metal

• Boron - metalloid

• Hydrogen - metal

• Calcium - nonmetal

LT#1: Which of the following elements will most likely have a dull luster, be a poor conductor of electricity, and be brittle (break easy)?

• Barium (Ba)

• Titanium (Ti)

• Aluminum (Al)

• Selenium (Se)

LT#1: An unknown, metallic substance is tested in class and is determined to be a semi-conductor of electricity and can only somewhat be shaped into a sheet. The substance is most likely..

• a metal

• a nonmetal

• a metalloid

LT#1: An element is a solid that conducts electricity and heat. It is possible to bend and flatten the sample when pressure is applied to it.

Based on this information, the element could NOT be a member of which group on the periodic table?

• Group 4

• Group 11

• Group 13

• Group 18

LT#2: Which of the following is true about elements in group 13?

• they all have 13 valence electrons

• they all have 13 energy levels

• they all have 3 valence electrons

• they all have 3 energy levels

LT#2: Which of the following is FALSE about Gallium (Ga)?

• Ga has 4 energy levels

• Ga has 3 valence electrons

• Ga in found in period 3

• Ga has an atomic number of 31

Tags

NGSS.MS-PS1-1

LT#2: Which element is found in a group that has one valence electron and 3 energy levels?

• Sodium (Na)

• Argon (Ar)

• Chlorine (Cl)

• Bromine (Br)

LT#2: What do potassium and calcium have in common?

• they both have two energy levels

• they both have two valence electrons

• they both have four energy levels

• they both have four valence electrons

LT#2: Which element is found in the group that is inert/unreactive due to a full outer shell of electrons?

• Hydrogen (H)

• Actinium (Ac)

• Neon (Ne)

• Fluorine (F)