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