classification
What group on the periodic table of elements, are alkali metals found in?
Alkali metals are found in group 1 on the periodic table!
True or False?
Electrons add to the mass of an element.
False!
What kind of elements make up most of the elements on the periodic table?
Metals!
What is the property of being able to be stretched into thin strands of wire?
ductile!
What does the element symbol Au stand for?
Metal!
What kinds of elements are known for being extremely reactive with halogens, and are found in group 1 of the periodic table of elements?
alkali metals!
Atomic mass = Protons + Electrons
What kind of elements are found on the left of the periodic table, and have the opposite characteristics of the elements on the right side of the periodic table?
Non-metals!
What is the property for being hard but liable to breaking and shattering?
What does the element symbol Na stand for?
Sodium!
What group on the periodic table of elements, are alkaline earth metals found in?
Alkali earth metals are found in group 2 of the periodic table of elements!
What is the equation used to find how many neutrons are in an element?
Neutron = Mass - Protons
What kind of elements are found on a zig-zag line in between the metals and non-metals on the periodic table of elements?
What is the property of being able to be hammered into thin sheets?
Malleable!
What does the element symbol Li stand for?
Lithium!
True or false?
Alkali metals include the elements lithium, sodium, potassium, rubidium, cesium, and francium.
True!
What sub-particle is responsible for differentiating an element from another element on the periodic table?
A proton is responsible!
What kind of non-metals are mainly found in our atmosphere and were believed to not be able to mix with anything?
Noble gases / gases!
What is the property of giving off a shine or gleam?
Metallic luster!
What language are elements symbols derived from?
Latin!
What elements are classified as alkali earth metals?
Beryllium, magnesium, calcium, strontium, barium, and radium are the alkali earth metals on the periodic table of elements!
What is the number of protons an element has in its nucleus called?
atomic number!
What is the only metal that is a liquid at room temperature?
Mercury!
What is the property often used in relation to volume and sometimes how tightly packed or solid something is? (think in relation to metals)
Density!
What does the element symbol Pb stand for?
Lead!