CHEM Midterm Study Guide

· Scientific law

What is the formula for iron (II) oxide

Metals tend to_electrons and nonmetals tend to_electrons when forming ions

a negative, fast,& extremely small massed particle that moves through that empty space surrounding an atom's nucleus

A type of scientific investigation that is undertaken to solve a specific problem

how many protons are contained in the atoms nucleus

What is the octet rule

What is the name for CU(CN)₂

what is a crystal lattice

What is the formula for potassium bromide

What is the atomic number of an atom that has 11 protons 11 electrons and 12 neutrons?

what is the name of ( NH₄)₃PO₄

A Measure that reflects the amount of matter

which of the following compounds would you expect to be ionic

the difference between an experimental value and an accepted value

matter that has a definite and uniform composition

a measure of an amount of matter and the effect of the earth's gravitational pull on that matter

express 6.37 x 10² in standard form

[Ra]7s²5f⁸

which pair of elements is most likely to form an ionic compound

4522800000= 4.5228 x 10^_

ionic compounds can only conduct electricity if they are dissolved in water

a type of change that alters the physical properties of a substance that does not change its composition

two atoms have the same number of protons, but one nucleus has more neutrons than the other these atoms represent...

469.1 mg is equal to ___g.

A chemical combo of two or more different elements (can be broken down into simpler substances)

2200 m is equal to ___km

Atoms of the same element with different numbers of neutrons

What is the formula for chromium (III) sulfate

which separation method would you use to separate the water out from a well-mixed Italian dressing?

What is the formula for zinc (I) nitrite

What is the mass of 20.0 ml solution if its density is 1.84 G/ML

Ionic compounds are usually formed between

What is the name of Na_2O

[Kr]5s²4d¹⁰5p⁵

The ability or inability of a substance to combine with or change into one or more new substances

What is the name of SnBr₄

a type of scientific investigation that seeks to gain knowledge for the sake of knowledge itself

· Scientific theory

Refers to how close a series of measurements are to one another

Refers to how close a measured value is to an accepted value

what is the mass number of an atom that has 11 protons 11 electrons and 12 neutrons?

1s²2s²2p⁶3s²3d5

Equivalent to the number of protons in an atom

The weighted average mass of the isotopes of that element

1s²2s²2p⁶3s²3p⁶4s²4d¹⁰4p⁵

A characteristic of matter that can be observed or measured without changing the samples composition

States that mass is neither created nor destroyed during a chemical reaction but is conserved

An intensive property is dependent on the amount of substance present.

What is the difference between an atom of carbon-12 and an atom of carbon-14

What is the best example for a number written in scientific notation

The smallest particle of an element that retains all the properties of that element

States that regardless of amount a compound is always composed of the same elements in the same proportion of mass

Which form of radioactive decay result in the greatest change in mass number

each row in the periodic table is called a ____ and each column on the periodic table is called a __.

a positively charged subatomic particle that is in an atom's nucleus that has a mass of 1.007276 amu

what is the identity of an atom that has 11 protons 11 electrons and 12 neutrons

A pure substance that cannot be broken down into simpler substances by physical or chemical means

The number after an element's name representing the sum of its protons and neutrons

What is the charge of the acetate ion

A neutral subatomic particle in an atom soon nucleus that has a mass of 1.008665 AMU

A process involving one or more substances changing into new substances

Which of the following metals can form cations with more than one possible charge