A) It is composed of protons only B) It is composed of electrons and neutrons C) It is composed of protons and electrons D) It is composed of protons and neutrons
A) + B) 0 C) -
A) have an equal number of electrons and protons. B) have an equal number of charged and noncharged particles. C) have neutrons in their nuclei. D) have an equal number of neutrons and protons.
A) burning wood B) breaking a pencil C) digesting food D) cooking eggs
A) Alphabetical Order B) Atomic Number C) Discovery Date D) Atomic Mass
A) Neutrons B) Valence Electrons C) Protons D) Protons and Neutrons
A) pH B) density C) color D) shape
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) protons. B) neutrons. C) protons plus the number of electrons. D) protons plus the number of neutrons.
A) They are extremely nonreactive. B) They are usually gases. C) They are located in the left-most column of the periodic table. D) They form negative ions with a -1 charge.
A) a basically nonreactive. B) They are highly reactive with both metals and nonmetals. C) They form compounds with very bright colors. D) They are extremely rare in nature.
A) exist in all three states of matter in normal conditions B) are all metals C) are nonreactive D) have only 1 valence electron
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) color; smell B) location; ionization C) number; mass D) mass;number
A) 8 neutrons B) 12 neutrons C) 6 neutrons D) 3 neutrons
A) Noble Gases B) Alkali Metals C) Alkaline Earth D) Halogens
A) Akali B) Halogens C) Alkaline Earth D) Noble Gases
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkali
A) Noble Gases B) Alkaline Earth C) Alkali D) Halogens
A) 2 B) 5 C) 3 D) 4
A) metals B) metalloids C) nonmetals
A) Einstein B) Ms. Watson C) Mendleev D) Mosely
A) according to atomic number B) According to atomic mass C) by date discovered D) alphabetically
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass D) Atomic Number
A) nucleus B) electrons C) neutrons D) protons
A) flammability B) pH C) reactivity D) color
A) breaking B) crushing C) adding dye D) burning
A) can be observed with senses B) can only be observed by changing the substance C) vary within the same element 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) hours B) grams C) meters D) kilograms
A) accurate B) nethier accurate or precise C) both accurate and precise D) precise
A) 1,000 B) 1/1,000 C) 1/100 D) 100
A) independent B) constant C) dependent D) control
A) fertilizer B) strawberries C) length of study D) growth
A) constant B) independent C) dependent D) control
A) stirring rod B) graduated cylinder C) tongs D) beaker
A) 0 B) 10 C) 16 D) 13
A) 18 B) 35 C) 19 D) 17
A) 14 B) 12 C) 26 D) 10
A) 2 B) 10 C) 18 D) 8
A) 115 amu B) 57 amu C) 0.57 amu D) 5.7 amu
A) 3 B) 1 C) 2 D) 4
A) Rutherford B) Thomson C) Dalton D) Bohr
A) Thomson B) Democritus C) Rutherford D) Chadwick
A) Thomson B) Shrodinger and Heisenburg C) Rutherford D) Bohr
A) Thomson B) Rutherford C) Dalton D) Bohr
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) Dalton D) Bohr
A) Electrons are positively charged. B) Electron number never changes. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) negative charge B) larger mass C) positive charge D) smaller mass
A) electrons B) neutrons C) protons D) positrons
A) 72g/ml B) 1.33g/ml C) 3g/ml D) 0.33g/ml
A) 24g B) 10.7g C) 0.094g D) 17.5g |