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