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