A) It is composed of electrons and neutrons B) It is composed of protons and electrons C) It is composed of protons and neutrons D) It is composed of protons only
A) + B) 0 C) -
A) have an equal number of electrons and protons. B) have neutrons in their nuclei. C) have an equal number of neutrons and protons. D) have an equal number of charged and noncharged particles.
A) digesting food B) breaking a pencil C) burning wood D) cooking eggs
A) Atomic Number B) Discovery Date C) Alphabetical Order D) Atomic Mass
A) Protons and Neutrons B) Protons C) Valence Electrons D) Neutrons
A) density B) shape C) color D) pH
A) a total of eight protons and neutrons. B) eight protons in its nucleus. C) a total of eight neutrons and electrons. D) eight neutrons in its nucleus.
A) protons plus the number of electrons. B) protons. C) neutrons. D) protons plus the number of neutrons.
A) They form negative ions with a -1 charge. B) They are located in the left-most column of the periodic table. C) They are usually gases. D) They are extremely nonreactive.
A) a basically nonreactive. B) They are extremely rare in nature. C) They are highly reactive with both metals and nonmetals. D) They form compounds with very bright colors.
A) have only 1 valence electron B) are nonreactive C) exist in all three states of matter in normal conditions D) are all metals
A) On the right side. B) In the middle column of the periodic table. C) In the bottom rows. D) On the left-most side.
A) color; smell B) number; mass C) location; ionization D) mass;number
A) 3 neutrons B) 8 neutrons C) 6 neutrons D) 12 neutrons
A) Halogens B) Alkali Metals C) Noble Gases D) Alkaline Earth
A) Alkaline Earth B) Akali C) Halogens D) Noble Gases
A) Alkali B) Noble Gases C) Halogens D) Alkaline Earth
A) Alkaline Earth B) Alkali C) Halogens D) Noble Gases
A) 3 B) 4 C) 5 D) 2
A) metals B) metalloids C) nonmetals
A) Mosely B) Ms. Watson C) Mendleev D) Einstein
A) according to atomic number B) by date discovered C) According to atomic mass D) alphabetically
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number-Atomic Mass D) Atomic Number
A) Atomic Number-Atomic mass B) Atomic Mass C) Atomic Number D) Atomic Mass-Atomic Number
A) nucleus B) protons C) electrons D) neutrons
A) flammability B) reactivity C) color D) pH
A) adding dye B) breaking C) crushing D) burning
A) only can be seen in a few elements B) can only be observed by changing the substance C) vary within the same element D) can be observed with senses
A) only can be observed in a few elements B) can be observes with the senses C) vary within the same element D) cn only be observed by changing the substance
A) physical B) chemical
A) chemical B) physical
A) it will sink B) not enough information C) it will float
A) meters B) hours C) grams D) kilograms
A) accurate B) both accurate and precise C) precise D) nethier accurate or precise
A) 1,000 B) 100 C) 1/100 D) 1/1,000
A) dependent B) constant C) control D) independent
A) length of study B) growth C) strawberries D) fertilizer
A) independent B) control C) dependent D) constant
A) tongs B) beaker C) stirring rod D) graduated cylinder
A) 10 B) 16 C) 13 D) 0
A) 17 B) 35 C) 19 D) 18
A) 14 B) 12 C) 10 D) 26
A) 8 B) 18 C) 10 D) 2
A) 115 amu B) 5.7 amu C) 0.57 amu D) 57 amu
A) 3 B) 1 C) 4 D) 2
A) Bohr B) Rutherford C) Thomson D) Dalton
A) Democritus B) Rutherford C) Thomson D) Chadwick
A) Shrodinger and Heisenburg B) Thomson C) Rutherford D) Bohr
A) Bohr B) Thomson C) Rutherford D) Dalton
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Chadwick B) Dalton C) Rutherford D) Bohr
A) Electron number never changes. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) Electrons are positively charged.
A) larger mass B) negative charge C) positive charge D) smaller mass
A) neutrons B) protons C) electrons D) positrons
A) 3g/ml B) 72g/ml C) 1.33g/ml D) 0.33g/ml
A) 10.7g B) 0.094g C) 17.5g D) 24g |