Physical Science 1113 Test

Elements in Group IIA have _____valence electrons; elements in Subgroup VB have _____ valence electrons.

2......5

The groups are designated with a Roman numeral and the letter ______; the subgroups are designated with a Roman numeral and the letter __.

A.....B

barium

Ba

beryllium

Be

Write the chemical symbols for the alkaline-earth metals

Be, Mg, Ca, Sr, Ba, Ra

calcium hydroxide

Ca(OH)2

calcium ion

Ca++

Hard water contains a high concentration of ______ and ______ ions.

Ca++........Ma++

calcium carbonate

CaCO3

calcium sulfate

CaSO4

copper

Cu

Write the chemical symbols for the elements of the Copper Family

Cu, Ag, Au

Write the chemical symbols for the elements of the Platinum Family

Ru, Rh, Pd, Os, Ir, Pt

Write the chemical symbols for the transition elements whose only valence is 2.

Sc, Y, La, Ac

All elements are _______, _______, or ________.

metals....nonmetal...metalloids

Elements are placed on the periodic table on the basis of their ______ and ______ properties.

physical....chemical

A ______ is an arrangement of two s and six p electrons in a valence level.

stable octet

What are the three most important properties of aluminum?

strength, light weight, and resistance

Transition elements:

subgroups on table, can become magnetic, electron donor, electrons in d sublevel, usually colored

Alkali metals:

valence of 1, found in Group IA, never found in a free state, often stored in nonreactive substance, alkali metal + H2O --> base + H2^

Alkaline-earth metals:

valence of 2, found in Group IIA, never found in a free state, alkaline-earth metal + H2O --> base + H2^

precipitate

⬇️

Write the chemical symbols for the transition elements of Period 5

Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd

Write the chemical symbols for the elements of the Zinc Subgroup.

Zn, Cd, Hg

Some ______ are specifically made to be both strong and light.

alloys

List the metalloids by name and chemical symbol.

boron, silicon, germanium, Arsenic, Antimony, Tellurium, Polonium

Rare gases are called noble gasses and elements of the Platinum Family are called noble metals because they show little ___________.

chemical reactivity

All metals are electron _________.

donors

List physical properties of metals:

ductility, malleability, plastic deformation, metallic luster, electrical conductivity, high melting temperature, thermal conductivity

The short electron configuration for francium is (Rn)7s2. In this configuration, (Rn) replaces the _______.

electron configuration for the element radon

iron

Fe

Write the chemical symbols for the elements of the Iron Family

Fe, Co, Ni

Why are there three columns in Subgroup VIIIB

Iron, Cobalt, and Nickel have similar properties.

potassium

K

Write the chemical symbols for the alkali metals

Li, Na, K, Rb, Cs, Fr

Write the chemical symbols for the Group VA elements with a valence of 5.

N, P, As, Sb, Bi

sodium

Na