Metal Properties
_______ refers to the way a metal can be hammered or rolled into thin sheets
what is malleable
This group of elements has properties that are opposite those of metals ________.
nonmetals
metals are found on the right, zigzag or left side of the periodic table
what is left
Arsenic is a
(metal, nonmetal, or metalloid)
metalloid
The ease and speed with which an element reacts with other substances is called...
what is reactivity
most metals are _____ at room temperature.
what is solid
The physical property _____ describes when a material breaks or shatters easily
brittle
Which group family does Calcium belong to?
Chlorine is a
(metal, nonmetal, or metalloid)
nonmetal
Unstable isotopes, also called radioactive isotopes, undergo this process. Their atomic nuclei release fast-moving particles and energy.
what is radioactive decay
When a material allows electricity or heat to flow easily through it, it is said to be good _________.
what is a conductor
True or False? Solid nonmetals tend to be brittle and shiny
False. Solid nonmetals tend to be brittle and dull.
This element has chemical properties that are very different from those of the other elements, so it cannot be grouped with any family.
What is hydrogen.
sodium is a
(metal, nonmetal, or metalloid)
metal
This type of decay is produces a particle that has 2 protons and 2 neutrons and a positive charge.
what is alpha decay
Metals usually react by gaining or losing electrons?
What is losing
This family is usually nonreactive.
What are the noble gases
Which group has higher melting points and are denser: the alkaline earth metals or the alkali metals?
What are alkaline earth metals
An ________ does not allow electricity or heat to flow through it easily.
insulator
This decay is changes a neutron into a negatively charged particle and a proton.
what is beta decay
Name at least three physical properties of transitional metals.
What are hard and shiny solids with high melting points and high densities
Nonmetals usually do what with electrons when they react with other atoms.
What is gain or share electrons
Which group is most reactive the alkaline earth metals, the alkali metals, or the transitional metals?
What are alkali metals.
_____ is the first element at the top of the stair step
Boron
This type of radiation has the most penetrating power
what is gamma radiation