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