Abeka Grade 6 Science Test 10 (Ch. 6)

अब Quizwiz के साथ अपने होमवर्क और परीक्षाओं को एस करें!

if two ojbects have the same volume but different densities the object made of the denser substance weighs ?

More

the number of protons an atom has

atomic number

the tiny particles of which all matter is composed

atoms

the element that is the basic building block of all the compounds

carbon

a process in which atoms of elements or compounds are rearranged to form new substances

chemical reaction

the study of what substances are made of and how one substance can be changed into another

chemistry

the halogen that is useful as a bleach and a germ-killing agent

chlorine

the rapid reaction of any substance with oxygen

combustion

a ? is a substance composed of one or more types of atoms bonded together

compound

the amount of matter in one unit of valume

density

the hardest of all known substances

diamond

formed by electrons zooming around the nucleus of an atom

electron cloud

the tiny particles that swarm at tremendous speeds around the core of an atom

electrons

an ? is a substance that is composed of ony one type of atoms

element

a neutral atom has an ? number of protons and electrons

equal

the halogen that is added to toothpaste and drinking water

fluorine

the metric unit that is used to measure an object's mass

gram or kilograms

highly reactive elements that tend to form compounds with alkali and alkaline earth metals

halogens

the simplest kind of atom with one proton and one electron

hydrogen

the halogen that is added to table salt to prevent a deficiency disease

iodine

a compound made of charged atoms

ionic compound

the densest of the everyday metals

lead

the amount of matter that makes up an object

mass

anything that takes up space and has mass

matter

the only metal that is liquid at room temperature

mercury

a compound made of molecules

molecular compound

two or more atoms firmly bound together form a ?

molecule

lacking an electrical charge

neutral

a very hard metal which is an important ingredient in stainless steel

nickel

the colorless, odorless gas that makes up 78% of the earth's atmosphere

nitrogen

the elements which do not combine with anything else except under unusual circumstances

noble gases

the three main groups of elements are metals, ?, and semimetals

nonmetals

the tiny, extremely dense core at the center of an atom

nucleus

the most abundant element at the surface of the earth

oxygen

the organized arrangement of all known elements

periodic table of the elements

the proton has a ? charge

positive

the two particles that make up the nucleus of an atom

protons and neutrons

two electrons ? each other

repel

formed by electrons that are in orbit the same distance from the nucleus

shell

the semimetal that is used to make computer chips

silicon

most metals are

solid

iodine, when heated, does not melt but instead ?, or turns to gas

sublimes

the ? of an object changes from place to place

weight

the measure of the pull of gravity on an object

weight


संबंधित स्टडी सेट्स

PREPU: Nursing Management: Patients With Hepatic and Biliary Disorders

View Set

POL California Insurance Code and Ethics: Property and Liability Basics

View Set

Unit 7.1 Basic Economics (Series 65)

View Set

Intro, homeostasis, organic compounds

View Set