A) It is composed of protons and neutrons B) It is composed of protons and electrons C) It is composed of protons only D) It is composed of electrons and neutrons
A) - B) 0 C) +
A) have an equal number of electrons and protons. B) have an equal number of neutrons and protons. C) have neutrons in their nuclei. D) have an equal number of charged and noncharged particles.
A) digesting food B) burning wood C) cooking eggs D) breaking a pencil
A) Atomic Mass B) Alphabetical Order C) Discovery Date D) Atomic Number
A) Valence Electrons B) Protons C) Neutrons D) Protons and Neutrons
A) density B) color C) shape D) pH
A) a total of eight neutrons and electrons. B) eight neutrons in its nucleus. C) eight protons in its nucleus. D) a total of eight protons and neutrons.
A) protons plus the number of neutrons. B) protons. C) neutrons. D) protons plus the number of electrons.
A) They are usually gases. B) They are extremely nonreactive. C) They form negative ions with a -1 charge. D) They are located in the left-most column of the periodic table.
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) have only 1 valence electron B) are nonreactive C) are all metals D) exist in all three states of matter in normal conditions
A) In the middle column of the periodic table. B) On the right side. C) In the bottom rows. D) On the left-most side.
A) number; mass B) color; smell C) location; ionization D) mass;number
A) 6 neutrons B) 8 neutrons C) 3 neutrons D) 12 neutrons
A) Noble Gases B) Alkaline Earth C) Halogens D) Alkaline Metals
A) Noble Gases B) Akali C) Alkaline Earth D) Halogens
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkali
A) Alkaline Earth B) Alkali C) Noble Gases D) Halogens
A) 4 B) 5 C) 3 D) 2
A) metals B) nonmetals C) metalloids
A) Ms. Watson B) Mendleev C) Mosely D) Einstein
A) alphabetically B) According to atomic mass C) according to atomic number D) by date discovered
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) neutrons B) protons C) nucleus D) electrons
A) pH B) flammability C) color D) reactivity
A) pH B) texture C) density D) shape
A) burning B) adding dye C) crushing D) breaking
A) breaking B) rusting C) burning D) precipitate forming
A) can be observed with senses B) only can be seen in a few elements C) vary within the same element D) can only be observed by changing the substance
A) vary within the same element B) cn only be observed by changing the substance C) can be observes with the senses D) only can be observed in a few elements
A) chemical B) physical
A) physical B) chemical
A) not enough information B) it will float C) it will sink
A) second B) liters C) meters D) kelvin
A) kilograms B) grams C) meters D) hours
A) nethier accurate or precise B) both accurate and precise C) accurate D) precise
A) 1,000 B) 1/1,000 C) 1/100 D) 100
A) constant B) control C) independent D) dependent
A) length of study B) strawberries C) growth D) fertilizer
A) 2,500m B) 0.0025m
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) independent B) dependent C) control D) constant
A) beaker B) stirring rod C) tongs D) graduated cylinder
A) 10 B) 13 C) 16 D) 0
A) 17 B) 18 C) 19 D) 35
A) 12 B) 26 C) 10 D) 14
A) 2 B) 18 C) 10 D) 8
A) 5.7 amu B) 57 amu C) 115 amu D) 0.57 amu
A) 2 B) 4 C) 3 D) 1
A) 0.5 mol B) 89.6 mol C) 2 mol D) 67.2 mol
A) 21.07 atoms B) 5.8x1022 atoms C) 1.72x1023 atoms D) 2.107x1024 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Thomson B) Dalton C) Bohr D) Rutherford
A) Thomson B) Democritus C) Rutherford D) Chadwick
A) Shrodinger and Heisenburg B) Bohr C) Rutherford D) Thomson
A) Bohr B) Dalton C) Thomson D) Rutherford
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) Chadwick B) Dalton C) Rutherford D) Bohr
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) negative charge B) larger mass C) smaller mass D) positive charge
A) protons B) electrons C) neutrons D) positrons
A) 1.33g/ml B) 72g/ml C) 3g/ml D) 0.33g/ml
A) 10.7g B) 16g C) 0.094g D) 17.5g |