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) + C) 0
A) have an equal number of neutrons and protons. B) have neutrons in their nuclei. C) have an equal number of electrons and protons. D) have an equal number of charged and noncharged particles.
A) digesting food B) cooking eggs C) burning wood D) breaking a pencil
A) Atomic Number B) Atomic Mass C) Alphabetical Order D) Discovery Date
A) Neutrons B) Protons and Neutrons C) Protons D) Valence Electrons
A) color B) shape C) density D) pH
A) eight protons in its nucleus. B) eight neutrons in its nucleus. C) a total of eight neutrons and electrons. D) a total of eight protons and neutrons.
A) protons plus the number of electrons. B) neutrons. C) protons. D) protons plus the number of neutrons.
A) They are extremely nonreactive. B) They are located in the left-most column of the periodic table. C) They are usually gases. D) They form negative ions with a -1 charge.
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) exist in all three states of matter in normal conditions B) have only 1 valence electron C) are all metals D) are nonreactive
A) In the bottom rows. B) On the right side. C) In the middle column of the periodic table. D) On the left-most side.
A) mass;number B) location; ionization C) number; mass D) color; smell
A) 12 neutrons B) 3 neutrons C) 8 neutrons D) 6 neutrons
A) Alkaline Metals B) Alkaline Earth C) Halogens D) Noble Gases
A) Akali B) Halogens C) Alkaline Earth D) Noble Gases
A) Alkali B) Halogens C) Alkaline Earth D) Noble Gases
A) Halogens B) Alkali C) Alkaline Earth D) Noble Gases
A) 3 B) 4 C) 2 D) 5
A) metals B) nonmetals C) metalloids
A) Ms. Watson B) Einstein C) Mendleev D) Mosely
A) According to atomic mass B) by date discovered C) alphabetically D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Number-Atomic mass D) Atomic Mass
A) neutrons B) nucleus C) electrons D) protons
A) pH B) reactivity C) color D) flammability
A) density B) texture C) shape D) pH
A) burning B) adding dye C) crushing D) breaking
A) breaking B) burning C) precipitate forming D) rusting
A) can only be observed by changing the substance B) only can be seen in a few elements C) vary within the same element D) can be observed with senses
A) cn only be observed by changing the substance B) vary within the same element C) can be observes with the senses D) only can be observed in a few elements
A) chemical B) physical
A) physical B) chemical
A) not enough information B) it will float C) it will sink
A) meters B) kelvin C) second D) liters
A) meters B) grams C) kilograms D) hours
A) nethier accurate or precise B) precise C) accurate D) both accurate and precise
A) 1,000 B) 1/100 C) 1/1,000 D) 100
A) independent B) dependent C) constant D) control
A) strawberries B) growth C) length of study D) fertilizer
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x102 B) 9.470x10-2
A) 4.2x103 B) 4.2x10-3
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) constant B) independent C) dependent D) control
A) beaker B) stirring rod C) graduated cylinder D) tongs
A) 10 B) 16 C) 0 D) 13
A) 35 B) 17 C) 18 D) 19
A) 10 B) 12 C) 26 D) 14
A) 2 B) 18 C) 10 D) 8
A) 57 amu B) 5.7 amu C) 0.57 amu D) 115 amu
A) 4 B) 2 C) 1 D) 3
A) 0.5 mol B) 67.2 mol C) 2 mol D) 89.6 mol
A) 21.07 atoms B) 2.107x1024 atoms C) 1.72x1023 atoms D) 5.8x1022 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Rutherford B) Thomson C) Bohr D) Dalton
A) Chadwick B) Rutherford C) Democritus D) Thomson
A) Rutherford B) Shrodinger and Heisenburg C) Bohr D) Thomson
A) Bohr B) Rutherford C) Thomson D) Dalton
A) Atoms of the same element are exactly alike. B) All matter is made of atoms. C) Atoms combine to form compounds in simple whole number ratios.
A) Bohr B) Dalton C) Chadwick D) Rutherford
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) Electrons are positively charged. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) Electron number never changes.
A) larger mass B) positive charge C) negative charge D) smaller mass
A) protons B) positrons C) electrons D) neutrons
A) 0.33g/ml B) 3g/ml C) 72g/ml D) 1.33g/ml
A) 10.7g B) 17.5g C) 0.094g D) 16g |