The elements in group 1 are known as __?
What are alkali metals?
The mass number of an element shows __.
What is the number of protons and neutrons?
I am a nonmetal gas with 5 valence electrons and a mass of 14amu.
Who is nitrogen?
The ability to be hammered into sheets is known as ___.
What is malleability?
The property of dissolving in another substance is known as what?
What is solubility?
What are the elements in group 2 known as and how many valence electrons do they have?
What is alkaline earth and two valence electrons?
The atomic number of an element shows ___.
What is the number of protons or electrons?
I have the smallest mass of the elements in the most reactive nonmetal group.
Who is fluorine?
The property of a metal to transfer heat or electrical energy.
What is conductivity?
___ are usually gases or brittle solids at room temperature.
What are nonmetals?
Which type of elements are good conductors, are malleable and ductile, and form ionic bonds?
What are metals?
In which directions do atoms of elements have an INCREASING atomic radius?
What is from right to left? Or going down a group.
I am a noble gas in the second period of the periodic table.
Who is neon?
These are elements that have properties of both nonmetals AND metals.
What are metalloids?
These types of elements have the highest melting points.
What are transition metals?
What are the elements in group 7A or 17 called and how many valence electrons do they have?
What are halogen gases and 7 valence electrons?
What are the elements that are on the zigzag "staircase" line on the periodic table?
What are metalloids?
I am a highly reactive metal with 1 valence electron and 12 neutrons.
Who is sodium?
The type of bonding that occurs between positively-charged metal ions and negatively charged non-metal ions.
What is ionic bonding?
How are the elements ordered on the periodic table?
What is the atomic number?
What are the elements in group 8A or 18 called and why are they considered relatively unreactive?
What are noble gases and full outer energy levels?
What are the most electronegative elements on the periodic table?
I am a metalloid with 5 protons.
Who is boron?
When nonmetals share electrons with other nonmetals, this type of bond is formed.
What is covalent?
These types of elements have the lowest boiling point.