A) It is composed of electrons and neutrons B) It is composed of protons only C) It is composed of protons and electrons D) It is composed of protons and neutrons
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) breaking a pencil C) cooking eggs D) digesting food
A) Atomic Mass B) Atomic Number C) Discovery Date D) Alphabetical Order
A) Protons B) Neutrons C) Protons and Neutrons D) Valence Electrons
A) shape B) density C) pH D) color
A) a total of eight protons and neutrons. B) eight protons in its nucleus. C) eight neutrons in its nucleus. D) a total of eight neutrons and electrons.
A) protons plus the number of neutrons. B) protons plus the number of electrons. C) neutrons. D) protons.
A) They are extremely nonreactive. B) They form negative ions with a -1 charge. C) They are located in the left-most column of the periodic table. D) They are usually gases.
A) They form compounds with very bright colors. B) They are extremely rare in nature. 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) In the bottom rows. B) In the middle column of the periodic table. C) On the right side. D) On the left-most side.
A) number; mass B) color; smell C) location; ionization D) mass;number
A) 6 neutrons B) 12 neutrons C) 8 neutrons D) 3 neutrons
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkaline Metals
A) Akali B) Halogens C) Alkaline Earth D) Noble Gases
A) Noble Gases B) Halogens C) Alkaline Earth D) Alkali
A) Alkali B) Noble Gases C) Alkaline Earth D) Halogens
A) 5 B) 3 C) 2 D) 4
A) nonmetals B) metalloids C) metals
A) Mendleev B) Einstein C) Ms. Watson D) Mosely
A) alphabetically B) according to atomic number C) by date discovered D) According to atomic mass
A) Atomic Number B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number-Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Mass
A) nucleus B) electrons C) neutrons D) protons
A) color B) pH C) reactivity D) flammability
A) shape B) pH C) density D) texture
A) breaking B) crushing C) adding dye D) burning
A) precipitate forming B) rusting C) breaking D) burning
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) cn only be observed by changing the substance B) only can be observed in a few elements C) can be observes with the senses 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) liters C) kelvin D) second
A) kilograms B) grams C) meters D) hours
A) precise B) both accurate and precise C) accurate D) nethier accurate or precise
A) 1,000 B) 1/1,000 C) 1/100 D) 100
A) independent B) dependent C) constant D) control
A) strawberries B) length of study C) fertilizer D) growth
A) 0.0025m B) 2,500m
A) 1.65g B) 16.5g
A) 9.470x102 B) 9.470x10-2
A) 4.2x10-3 B) 4.2x103
A) 875,000 B) 0.0000875
A) 0.00634 B) 63,400
A) independent B) dependent C) constant D) control
A) graduated cylinder B) beaker C) stirring rod D) tongs
A) 0 B) 16 C) 13 D) 10
A) 19 B) 18 C) 17 D) 35
A) 10 B) 26 C) 14 D) 12
A) 2 B) 8 C) 18 D) 10
A) 57 amu B) 0.57 amu C) 115 amu D) 5.7 amu
A) 2 B) 3 C) 1 D) 4
A) 2 mol B) 67.2 mol C) 0.5 mol D) 89.6 mol
A) 2.107x1024 atoms B) 5.8x1022 atoms C) 21.07 atoms D) 1.72x1023 atoms
A) 12,144ft B) 2,295ft
A) 6.75kg B) 33.3kg
A) Bohr B) Rutherford C) Thomson D) Dalton
A) Chadwick B) Democritus C) Thomson D) Rutherford
A) Thomson B) Bohr C) Rutherford D) Shrodinger and Heisenburg
A) Thomson B) Bohr C) Dalton D) Rutherford
A) Atoms of the same element are exactly alike. B) All matter is made of atoms. C) Atoms combine to form compounds in simple whole number ratios.
A) Dalton B) Chadwick C) Bohr D) Rutherford
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) Electrons are positively charged. D) Electron number never changes.
A) positive charge B) smaller mass C) larger mass D) negative charge
A) neutrons B) positrons C) electrons D) protons
A) 3g/ml B) 0.33g/ml C) 72g/ml D) 1.33g/ml
A) 16g B) 0.094g C) 10.7g D) 17.5g |