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