A) It is composed of protons and electrons B) It is composed of protons and neutrons C) It is composed of electrons and neutrons D) It is composed of protons only
A) + B) - C) 0
A) have an equal number of charged and noncharged particles. B) have an equal number of neutrons and protons. C) have an equal number of electrons and protons. D) have neutrons in their nuclei.
A) burning wood B) breaking a pencil C) cooking eggs D) digesting food
A) Discovery Date B) Atomic Mass C) Atomic Number D) Alphabetical Order
A) Neutrons B) Valence Electrons C) Protons D) Protons and Neutrons
A) density B) color C) pH D) shape
A) a total of eight protons and neutrons. B) eight protons in its nucleus. C) a total of eight neutrons and electrons. D) eight neutrons in its nucleus.
A) protons plus the number of electrons. B) protons. C) protons plus the number of neutrons. D) neutrons.
A) They are usually gases. B) They form negative ions with a -1 charge. C) They are extremely nonreactive. D) They are located in the left-most column of the periodic table.
A) They form compounds with very bright colors. B) They are extremely rare in nature. C) a basically nonreactive. D) They are highly reactive with both metals and nonmetals.
A) exist in all three states of matter in normal conditions B) are nonreactive C) have only 1 valence electron D) are all metals
A) In the bottom rows. B) On the left-most side. C) In the middle column of the periodic table. D) On the right side.
A) color; smell B) mass;number C) number; mass D) location; ionization
A) 3 neutrons B) 6 neutrons C) 12 neutrons D) 8 neutrons
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkaline Metals
A) Halogens B) Akali C) Noble Gases D) Alkaline Earth
A) Alkali B) Alkaline Earth C) Halogens D) Noble Gases
A) Alkaline Earth B) Alkali C) Halogens D) Noble Gases
A) 5 B) 3 C) 2 D) 4
A) metalloids B) nonmetals C) metals
A) Einstein B) Mosely C) Mendleev D) Ms. Watson
A) alphabetically B) by date discovered C) According to atomic mass D) according to atomic number
A) Atomic Mass B) Atomic Number C) Atomic Number-Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Number-Atomic mass
A) neutrons B) electrons C) nucleus D) protons
A) flammability B) pH C) color D) reactivity
A) density B) texture C) pH D) shape
A) breaking B) crushing C) burning D) adding dye
A) rusting B) precipitate forming C) burning D) breaking
A) can only be observed by changing the substance B) vary within the same element C) can be observed with senses D) only can be seen in a few elements
A) vary within the same element B) only can be observed in a few elements C) can be observes with the senses D) cn only be observed by changing the substance
A) physical B) chemical
A) chemical B) physical
A) it will float B) not enough information C) it will sink
A) meters B) liters C) kelvin D) second
A) grams B) meters C) kilograms D) hours
A) both accurate and precise B) accurate C) nethier accurate or precise D) precise
A) 1,000 B) 100 C) 1/1,000 D) 1/100
A) control B) dependent C) constant D) independent
A) growth B) strawberries C) length of study D) fertilizer
A) 0.0025m B) 2,500m
A) 16.5g B) 1.65g
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) independent B) dependent C) control D) constant
A) graduated cylinder B) beaker C) stirring rod D) tongs
A) 16 B) 13 C) 0 D) 10
A) 18 B) 19 C) 17 D) 35
A) 14 B) 10 C) 12 D) 26
A) 10 B) 2 C) 18 D) 8
A) 0.57 amu B) 5.7 amu C) 57 amu D) 115 amu
A) 2 B) 3 C) 1 D) 4
A) 0.5 mol B) 67.2 mol C) 89.6 mol D) 2 mol
A) 21.07 atoms B) 2.107x1024 atoms C) 1.72x1023 atoms D) 5.8x1022 atoms
A) 2,295ft B) 12,144ft
A) 33.3kg B) 6.75kg
A) Bohr B) Thomson C) Dalton D) Rutherford
A) Rutherford B) Chadwick C) Democritus D) Thomson
A) Rutherford B) Bohr C) Thomson D) Shrodinger and Heisenburg
A) Dalton B) Bohr C) Rutherford D) Thomson
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) Rutherford C) Chadwick 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) positive charge C) smaller mass D) larger mass
A) electrons B) neutrons C) positrons D) protons
A) 72g/ml B) 1.33g/ml C) 0.33g/ml D) 3g/ml
A) 16g B) 0.094g C) 17.5g D) 10.7g |