An ionic bond forms between a ------------- and a ------------
Ions that are formed from one atom are known as--------
What is a positively charged ion or cation and a negatively charged ion, or anion.
Monatomic ions.
100
------------- compounds are always electrically neutral.
To form a bond, atoms share --------------- electrons
What is ionic compounds
Atoms share valence electrons.
100
The atoms that make upa a sulfate ion are held together by COVALENT bonds. True or false.
A covalent bond may be polar or IONIC. True or false.
What is true.
False. Non polar.
100
Which type of formula specifies how atoms bond in a molecule? Molecular or structural
What is structural.
100
An ionic compound that has absorbed water molecules is called-----------
What is hydrate.
200
What is the octet rule? Why is it important?
Atoms tend to gain,lose or share electrons in order to acquire a full set of valence electrons. It helps us predict the ways atoms bond.
200
Ionic compounds are good conductors in their ----------- state.
The name of cation usually comes first in the name of an ionic compound. True or false.
What is liquid.
True.
200
A group of atoms united by covalent bonds is a -----------
A. Cation. B.ionic compound. C. Molecules
What is molecules.
200
To emphasize the ratio of ions Ina compound, chemists use a ------------ formula.
What is empirical
300
Ionic compounds that absorb water into their solid structure form--------------
A. Hydrates. B.anhydrates.
In a Lewis dot diagram the dots represent --------------
What is hydrates.
Valence electrons
300
Explain the difference between copper I nitrate and copper Ii nitrate.
The charge of the copper ion is different.
300
What is molecular formula?
What is structural formula?
Molecular formula tells you how many atoms are in a single molecule of the compound.
Structural formula specifies which atoms are bonded to each other in a molecule.
300
If the electronegativity difference between 2 atoms is greater than 0.4 but less than 2.1, a bond between them will ----------------
A. Be ionic. B. be covalent and non polar. C. Be covalent and polar.
What is be covalent and polar.
300
What is acid? How are they similar to ionic compounds?
Substances that dissolves in water to produce H ^+ ions.
Like ionic compounds, acids separate into a cation and anion in water
400
Describe single, double and triple covalent bonds.
A single bond has one shared pair of electrons, double has 2 and triple has 3
400
Atoms share electrons in a IONIC BOND. True or false.
What is false. Covalent.
400
The reaction is that it produces characteristic anion.
Many compounds have he electron configuration of a NOBLE GAS. True or false
What happens when an acid is dissolved in water.
What is true
500
Cations form from--------- elements
Anions form from ----------elements
What is cations from metallic and anions from non metallic.
500
Why are many elements more stable as ions than they are as atoms?
Many elements gain or lose electrons—becoming ions—to achieve the electron configuration of a noble gas. This idea is described by the octet rule.
500
MOLECULES are composed entirely of ions. True or false.