45 questions
Elements which are shiny, conduct electricity and heat are called ___________.
metal
nonmetal
metalloid
Which element is not a metal?
Fe
B
Al
The elements along the staircase are called ________.
metals
nonmetals
metalloids
Which is a halogen?
Helium
Chlorine
Oxygen
Which is an alkali metal?
Magnesium
Iron
Sodium
Group 1
Group 17
Group 18
Group 1
Group 17
Group 18
In the picture for Hydrogen, what does the 1.00794 stand for?
chemical symbol
atomic number
atomic mass
If a material can easily be drawn into the shape of a wire, it is ___________.
Ductile
Magnetic
Malleable
Beryllium is in group number______.
Group 2
Group 3
Group 4
Who arranged the elements according to atomic mass and used the arrangement to predict the properties of missing elements?
Moseley
Lavoisier
Dalton
Mendeleev
The modern periodic table is arranged in order of increasing atomic
charge
mass
number
radius
Which element has the highest electronegativity value?
cesium
helium
calcium
fluorine
What is the charge on a cation?
positive charge
negative charge
no charge
charge depends on size of atom
What is the charge on an anion
positive charge
negative charge
no charge
charge depends on size of the atom
Which of the following statements is true about ions?
cations form when an atom gains electrons
cations form when an atom loses electrons
anions form when an atom gains protons
anions form when an atom loses protons
Which of the following statements is true about ions?
anions are positively charged ions
cations are common among nonmetals
charges for ions are always even numbers
when an anion forms, more electrons are present than protons in an atom.