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A pure substance containing the same type of atom
element
compound
mixture
What is the name given to a reflected sound?
echo
Pure water is neutral. What is the pH of a neutral solution?
7
What is the particles that flow through conductors?
electrons
What is the word used to describe materials that do not conduct electricity?
insulator
What do we call the materials that conducts electricity?
conductors
sodium hydroxide is a strong alkali. Give a possible pH for sodium hydroxide
11 - 14
What term do we call species that do not produce offspring?
infertile
A car transfers all its chemical energy (100J) into thermal, sound, and kinetic energy only. If 70J is transferred as thermal energy 10J as sound energy, how much kinetic energy is transferred?
20J
Based on the diagram, classify vinegar as acid, alkali or neutral.
acid
Which from the diagram is most alkali?
paint stripper
a mixture containing two different types of metal atoms
compound
element
alloy
a pure substance containing different types of atoms bonded together
alloy
element
mixture
compound
The process at which solid turns into liquid
melting
The vertical arrangement of elements in the periodic table
Groups
The horizontal arrangement of elements in the periodic table is called
Periods
