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