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