. In an electron dot diagram, each do represents a (an) ______________.
Valence Electrons
200
Helium, Xenon, Neon
What is stable electron configurations ( Nobel Gases.)
200
A polar covalent bond forms when ___________________ are not shared equally between atoms.
What is electrons
200
What is the chemical formula for Carbon Tetraoxide
What is CO4
200
Helium, Xenon, Neon
What is stable electron configurations ( Nobel Gases.)
200
What is a cation?
A ion with a positive charge
300
In an electron dot diagram, the symbol for an element is used to represent
the nucleus and all non valance electrons
300
In the name Carbon Dioxide, the prefix of the second word indicates that a molecule of carbon dioxide contains
two oxygen atoms
300
What is the chemical formula for Beryllium Chloride
What is CeCl2
300
N=N
What is a double bond?
300
What type of bond is CO2
What is covalent
400
KBr is the formula for an ionic compound. The fact that neither symbol is followed by a subscript means there is a ____ ration of ions.
What is one-to-one?
400
a type of chemical bond where two atoms share a pair of electrons with each other equally
What is non polar covalent?
400
Fluorine, F, forms a binary ionic compound with lithium, Li. What is the name of this compound?
What is lithium fluoride
400
Potassium, an alkali metal and bromine, a halogen, are both in Period 4 of the periodic table. Which element has a higher electronegativity?
What is Bromide
400
Typically, atoms gain or lose electrons to achieve?
What is A stable electron configuration
500
in KBr the element that forms cations.
What is potassium in the compound KBr?
500
What type of element is Ca?
What is metal
500
What is the name of NaCl
What is sodium chloride
500
Atoms share pairs of valence electrons
What is ionic bond
500
In an electron dot diagram of rubidium, there is one dot. In an electron dot diagram of silicon, there are four dots. Which element would you expect to be more reactive?