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