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Chemistry

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Erin Bode

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Cards in this guide (12)
Do neutrons have an electric charge

Neutrons have a neutral charge
Neutrons have no charge.

Maxwell a Russian scientist created an early periodic table of elements

false

Atoms with a low ionization energy hold tight to their outer valence electrons

No; the phrase given characterizes high rather than low ionization.

When charging an object by conduction what happens to the charges in the object

Electrons move onto the object, giving it a static charge.

Apex ;)

When hydrogen is attached to the more highly electronegative oxygen atom in a water molecule

the oxygen atom becomes partially negative the hydrogen atom becomes partially positive

The systematic way to assign names to chemical compounds is called

Chemical nomenclature

Who listed the elements in a table accourding to their atomic masses

Mandeleev who predicted periodic table.

Which one of the following is a common acid soap aspirin antacid and washing soda

Aspirin

When atoms in a covalent bond share electrons equally the bond is said to be .

it is a sigma bond.

Which one of the following is a balanced equation

2NH3(g) + 3Mg(s) —> 3H2(g) + Mg3N2(s)

The change that takes place when two or more substances what to form new substances is called a chemical reaction

(Apex) interact

Atoms like sodium and lithium often lose electrons, which makes them

cations

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