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