#1 - What is the periodic table? * PLEASE HELLP I WILL DO ANYTHINGGG 1 point
a chart that lists all the molecules that exist in the universe
a chart that shows all the elements scientists have discovered
a chart that shows all the compounds found in the world
a chart that shows what time period elements were discovered in
#2 - What does an element's atomic number represent? *
1 point
the number of protons in an element
an element's state at room temperature
how metallic an element is
the number of atoms in a compound
#3 - What do the colors on the periodic table show? *
1 point
which element it is
the metallic properties of the element
the types of compounds the element can make
whether the element is a solid, a liquid, or a gas at room temperature
#4 - Which of the following is a characteristic of a metal? *
1 point
it is a liquid at room temperature
it conducts heat and electricity
it doesn't have an atomic number
it cannot be melted down
#5 - Why isn't water on the periodic table? *
1 point
because it is a liquid at room temperature
because it doesn't have any protons
because it is a compound
because it is not made up of elements
#6 - How is the periodic table helpful to scientists? *
1 point
it allows them to see how many electrons are in a compound
it shows what newly discovered elements will be named
it shows them all the compounds that elements can create
it helps them find information quickly
#7 - When scientists see the letters "Au", they know it means "gold". What is Au? *
1 point
the atomic number
the element symbol
the color
the element's section