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