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