Chemistry Finial pt1

When water vapor forms dew on the glass, __ has occurred

What type of bond would you expect in a compound of oxygen and sodium

What is the name given to the process that scientists use to identify a problem, form a hypothesis, test it, test result

Which of the following is true about scientific laws

Which of the following accurately describes the Bohr model

Helps explain line spectra

The kinetic-molecular theory is a model that describes the ___ of particles in matter

Heat is the term used for the movement of _____ energy

Polar covalent bonds results when that atoms sharing the electrons have differing electronegativities

A theory explains a hypothesis

The creative mandate is given in the book of

Democritus was the first Greek to state that atoms from different elements form compounds

Who is credited with the discovery of the neutron

States that electrons must fill the lowest available energy sub level before any can be placed higher

The SI base unit for temperature is the

Two different isotopes of a single element would have the same number of __, but a different number of ____

The measure of an atom’s ability to attract electrons to itself in a Chemical bond is called ___

“F” block has many orbitals

The type of sub level found in all principal energy level is the __ sub level

All of matter can be divided into two categories: pure substances and ___

Which of the following is an example of a physical change

Evaluate the statement, “scientific models revel what is true about the world”

ancient Greeks had a mathematical view of the world and believed that all matter could be divided into new hole

Bohr proposed the concept of principle energy levels, he envisioned as a set of circular tracks on which __ orbited

Which form of matter has fast-moving and widely spaced particles

The s,d,p, and f sub levels are identified by ___ quantum numbers

An evaluation of the of the exactness of a measurement or a measuring instrument

Water evaporates at 100 degrees

Physical, descriptive, or mathematical representations that characterize a system or explain a phenomenon are called

The mass of a crystal as measured on a balance would be an example of ____ data

A homogenous mixture is also called a

All scientific models revel what is true about the world

A mixture that consists of two or more materials in distinct phases is called

What indicates the precision of an instrument and helps scientists report measurements honestly

Who was the first to refer to matter as being made of discrete particles

Units of measurement that are combinations of SI units called

What is the study of matter and the changes that it undergoes

Which of the following was a belied that matter was made up of separate, discrete particles

An atom becomes more stable by bonding with another atom if the resulting electron configuration is that of a group

The law that states that all natural processes tend toward the highest entropy and minimum unstable enegery is the ____

What is the pattern for colored lines that was discovered while analyzing light produced by heated elements

All scientists approach their work with a certain ____, which is the perspective from which they see and interpret life

A rock weighs more than a piece of foam, even if the foam is twice the volume of the rock, what property does this show

Who first identified and names the protons

The act of comparing an unknown quantity to a standard unit is known as ___

Hydrogen peroxide is a

Which of the following is NOT a way that Christians are guided by ethical decision making in the study of chemistry

Chemical bonds between atoms involve the rearrangement of __ to maximize stability

Scientific models may be expressed as

A shovel rusts in humid air

Which of the following is NOT one of the six common forms of energy

How many significant figures are in the measurement 4800cm

Which of the following statements show a naturalistic worldview

An element is a pure substance that cannot be broken down into simpler substances by ordinary chemical means

How many atoms of sulfur are present in Al2(SO4)3

Reactions that absorb energy are endothermic

Which of the following id a type of quantitative data

The polarity of a bond depends on the difference in the atoms’

“S” block has how many orbitals

Who concluded that atoms of different elements have different masses and thereby helped to advance chemistry

The ability to do work is called

The measurement 0.037010m has how many significant figures

A law describes a recognizable, repeating pattern in nature

The fact that any sample of water contains 8g of oxygen for every 1g of hydrogen illustrates

The atomic number of an atom is the number of protons in its nucleus

States that is impossible to know both the energy and the exact position of an electron at the same time

Lead melts in a hot flame

Why do atoms bond

Scientists classify matter on the basis of its physical and ____ properties

Chemical and physical processes that absorb thermal energy are called ____ processes

“D” block has how many orbitals

O2 is a

The wave-particle theory describes how an electron can behave as a particle and a

The central atom in a Lewis structure is usually the atom

The ratio of cations to anions in an ionic compound is expressed in a chemical formula known as a __ unit

When a scientist explores nature simple to learn more about the world in which we live, he is performing ____ science

The science of __ studies the movement and conversion of energy

A substance can experience a change of state as ____ energy id added to or removed from it

The amount of matter packed into a given volume determines its ____

The ancient Greeks debated whether matter could be divided into smaller particles of matter

Which of the following does NOT exist as a diatomic molecule

Describes how electrons fill orbitals

“P” block has how many orbitals

The d sub level may contain up to ___ electrons

States that two electrons in the same orbitals must have opposite spins

An idea assumed to be true that is based on one’s worldview is

The experiment in which alpha particles were deflected by gold foil was conducted by

It is not impossible to now the exact momentum and speed, and the exact location of an electron because of the

What is the electron configuration for fluorine

The first law of thermodynamics is also called the law of

Experiments with Alpha particles helped scientists to understand more about the inner parts of the _____

The measure of the dispersal of energy in a system is known as _____

Temperature measures the average kinetic energy in a sample

Sulfur mixed with an acid produces a gas

The first law of thermodynamics states that the total amount of mass and enters has remained constant

Thomson concluded that every atom had small, negatively charged particles called electrons

What is a scientific hypothesis

Isotopes of an element generally have the same ___ properties, but different ____ properties

Thermal energy always flows from regions of higher temperature to those of lower temperature

Except for the transition and inner transition metals, the octet rule applies to all other elements