A) It is composed of protons only B) It is composed of electrons and neutrons C) It is composed of protons and neutrons D) It is composed of protons and electrons
A) 0 B) + C) -
A) have an equal number of neutrons and protons. B) have an equal number of charged and noncharged particles. C) have neutrons in their nuclei. D) have an equal number of electrons and protons.
A) digesting food B) burning wood C) cooking eggs D) breaking a pencil
A) Atomic Number B) Discovery Date C) Atomic Mass D) Alphabetical Order
A) Neutrons B) Valence Electrons C) Protons and Neutrons D) Protons
A) density B) pH C) shape D) color
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 neutrons. B) protons. C) neutrons. D) protons plus the number of electrons.
A) They are usually gases. B) They are located in the left-most column of the periodic table. C) They are extremely nonreactive. D) They form negative ions with a -1 charge.
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) are nonreactive B) exist in all three states of matter in normal conditions C) have only 1 valence electron D) are all metals
A) In the bottom rows. B) On the left-most side. C) On the right side. D) In the middle column of the periodic table.
A) location; ionization B) mass;number C) color; smell D) number; mass
A) 12 neutrons B) 3 neutrons C) 6 neutrons D) 8 neutrons
A) Alkaline Earth B) Alkali Metals C) Noble Gases D) Halogens
A) Akali B) Halogens C) Alkaline Earth D) Noble Gases
A) Halogens B) Noble Gases C) Alkali D) Alkaline Earth
A) Noble Gases B) Alkali C) Alkaline Earth D) Halogens
A) 3 B) 5 C) 2 D) 4
A) metals B) metalloids C) nonmetals
A) Ms. Watson B) Mosely C) Einstein D) Mendleev
A) alphabetically B) According to atomic mass C) by date discovered D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number-Atomic mass D) Atomic Number
A) protons B) neutrons C) nucleus D) electrons
A) flammability B) color C) reactivity D) pH
A) adding dye B) breaking C) crushing D) burning
A) only can be seen in a few elements B) vary within the same element C) can only be observed by changing the substance D) can be observed with senses
A) vary within the same element B) can be observes with the senses C) cn only be observed by changing the substance D) only can be observed in a few elements
A) chemical B) physical
A) physical B) chemical
A) it will sink B) it will float C) not enough information
A) grams B) hours C) meters D) kilograms
A) both accurate and precise B) precise C) accurate D) nethier accurate or precise
A) 1/1,000 B) 1,000 C) 100 D) 1/100
A) constant B) dependent C) independent D) control
A) strawberries B) growth C) length of study D) fertilizer
A) control B) independent C) constant D) dependent
A) stirring rod B) beaker C) tongs D) graduated cylinder
A) 13 B) 10 C) 16 D) 0
A) 35 B) 18 C) 17 D) 19
A) 10 B) 14 C) 26 D) 12
A) 10 B) 8 C) 18 D) 2
A) 115 amu B) 5.7 amu C) 57 amu D) 0.57 amu
A) 4 B) 1 C) 3 D) 2
A) Thomson B) Bohr C) Rutherford D) Dalton
A) Democritus B) Rutherford C) Thomson D) Chadwick
A) Thomson B) Bohr C) Rutherford D) Shrodinger and Heisenburg
A) Rutherford B) Bohr C) Thomson D) Dalton
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) Electron number never changes. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) Electrons are positively charged. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) larger mass B) smaller mass C) positive charge D) negative charge
A) electrons B) protons C) positrons D) neutrons
A) 72g/ml B) 3g/ml C) 0.33g/ml D) 1.33g/ml
A) 24g B) 0.094g C) 10.7g D) 17.5g |