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