A) It is composed of protons and neutrons B) It is composed of protons and electrons C) It is composed of protons only D) It is composed of electrons and neutrons
A) - B) + C) 0
A) have an equal number of neutrons and protons. B) have an equal number of charged and noncharged particles. C) have neutrons in their nuclei. D) have an equal number of electrons and protons.
A) burning wood B) digesting food C) breaking a pencil D) cooking eggs
A) Atomic Mass B) Atomic Number C) Discovery Date D) Alphabetical Order
A) Valence Electrons B) Protons C) Protons and Neutrons D) Neutrons
A) pH B) shape C) density D) color
A) a total of eight protons and neutrons. B) a total of eight neutrons and electrons. C) eight neutrons in its nucleus. D) eight protons 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 usually gases. C) They are extremely nonreactive. D) They are located in the left-most column of the periodic table.
A) They are extremely rare in nature. B) a basically nonreactive. C) They are highly reactive with both metals and nonmetals. D) They form compounds with very bright colors.
A) are all metals B) are nonreactive C) have only 1 valence electron D) exist in all three states of matter in normal conditions
A) On the left-most side. B) In the bottom rows. C) In the middle column of the periodic table. D) On the right side.
A) location; ionization B) number; mass C) mass;number D) color; smell
A) 8 neutrons B) 3 neutrons C) 12 neutrons D) 6 neutrons
A) Noble Gases B) Alkaline Earth C) Alkaline Metals D) Halogens
A) Noble Gases B) Halogens C) Alkaline Earth D) Akali
A) Alkali B) Halogens C) Noble Gases D) Alkaline Earth
A) Noble Gases B) Alkali C) Alkaline Earth D) Halogens
A) 4 B) 2 C) 3 D) 5
A) metalloids B) metals C) nonmetals
A) Einstein B) Ms. Watson C) Mendleev D) Mosely
A) alphabetically B) according to atomic number C) by date discovered D) According to atomic mass
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number-Atomic mass D) Atomic Number
A) electrons B) neutrons C) protons D) nucleus
A) reactivity B) pH C) color D) flammability
A) texture B) density C) pH D) shape
A) adding dye B) breaking C) crushing D) burning
A) breaking B) precipitate forming C) burning D) rusting
A) can be observed with senses B) only can be seen in a few elements C) can only be observed by changing the substance D) vary within the same element
A) vary within the same element B) only can be observed in a few elements 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 sink C) it will float
A) meters B) liters C) second D) kelvin
A) hours B) kilograms C) grams D) meters
A) precise B) accurate C) both accurate and precise D) nethier accurate or precise
A) 1/1,000 B) 1,000 C) 100 D) 1/100
A) independent B) dependent C) constant D) control
A) fertilizer B) length of study C) growth D) strawberries
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) 875,000 B) 0.0000875
A) 63,400 B) 0.00634
A) constant B) dependent C) independent D) control
A) tongs B) beaker C) stirring rod D) graduated cylinder
A) 13 B) 16 C) 10 D) 0
A) 35 B) 18 C) 19 D) 17
A) 10 B) 14 C) 12 D) 26
A) 18 B) 2 C) 8 D) 10
A) 57 amu B) 115 amu C) 5.7 amu D) 0.57 amu
A) 1 B) 2 C) 4 D) 3
A) 2 mol B) 89.6 mol C) 0.5 mol D) 67.2 mol
A) 1.72x1023 atoms B) 2.107x1024 atoms C) 21.07 atoms D) 5.8x1022 atoms
A) 12,144ft B) 2,295ft
A) 6.75kg B) 33.3kg
A) Bohr B) Thomson C) Dalton D) Rutherford
A) Thomson B) Democritus C) Chadwick D) Rutherford
A) Rutherford B) Bohr C) Shrodinger and Heisenburg D) Thomson
A) Thomson B) Bohr C) Dalton D) Rutherford
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) Dalton C) Rutherford D) Bohr
A) Electrons are positively charged. B) Electron number never changes. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) smaller mass B) negative charge C) positive charge D) larger mass
A) positrons B) electrons C) protons D) neutrons
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 |