Two pairs of electrons that are held together by what?
What is a double bond
100
When the atoms in the bond pull equally, the bonding electrons are shared equally and the bond is..?
What is a nonpolar covalent bond
100
What represents covalent bonds by dashes and shows the arrangement of covalently bonded atoms?
What is a structural formula
100
Kinds of numbers of atoms in the smallest representative unit of a substance?
What is a chemical formula
100
H-H is the same as H:H
What is true
200
What is a bond that involves two shared pairs of electrons?
What is a double covalent bond
200
What compound makes up table salt?
What is NaCl
200
Diagrams that show valence electrons as dots are also known as
What is electron dot structures
300
What bond holds together two hydrogen atoms?
What is a single bond
300
Both ends of a polar molecule are slightly negative with a positive core?
What is false
300
Two atoms held together by sharing a pair of electrons
What is a single covalent bond
300
Ionic compounds are electrically..?
What is neutral
300
Dots on the lewis dot diagram can be on the same side
What is false
400
Atoms form what if they attain a nobel gas structure by sharing two pairs or three pairs of electrons?
What is a double or triple covalent bond
400
What is a molecule that has two poles?
What is a dipolar molecule
400
A bond formed by sharing three pairs of electrons
What is a triple covalent bond
400
What charge is an anion?
What is a negative charged ion
400
Based on the idea that the number of dots depends on the element's group, how many dots does the element 'Na' have?
What is one
500
In what bond does the shared electron pair come from one of the bonding atoms?
What is a coordinate covalent bond
500
What is a structure that occurs when it is possible to draw two or more valid electron dot structures that have the same # of electron pairs for a molecule or ion?
What is a resonance structure
500
(Mg2+) is a?
What is a cation
500
All elements within a given group have the same number of electron dots in their structures except?