Protactinium

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <linearGradient
        id="a"
        x1="256"
        x2="256"
        y1="512"
        y2="0"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#a93aff" />
        <stop offset="1" stop-color="#ff81ff" />
    </linearGradient>
    <path
        fill="url(#a)"
        d="m311.606 116.606 4.394-4.394V196c0 8.284 6.716 15 15 15s15-6.716 15-15V76a15 15 0 0 0-25.607-10.606l-30 30c-5.858 5.857-5.858 15.355 0 21.213 5.858 5.857 15.356 5.857 21.213-.001zM181 241h-45c-8.284 0-15 6.716-15 15v180c0 8.284 6.716 15 15 15s15-6.716 15-15v-75h30c33.084 0 60-26.916 60-60s-26.916-60-60-60zm0 90h-30v-60h30c16.542 0 30 13.458 30 30s-13.458 30-30 30zM436 0H76C51.187 0 31 20.187 31 45v422c0 24.813 20.187 45 45 45h360c24.813 0 45-20.187 45-45V45c0-24.813-20.187-45-45-45zm15 467c0 8.271-6.729 15-15 15H76c-8.271 0-15-6.729-15-15V45c0-8.271 6.729-15 15-15h360c8.271 0 15 6.729 15 15zM331 286c-25.386 0-48.125 16.075-56.582 40.001-2.761 7.811 1.333 16.381 9.144 19.142 7.811 2.76 16.38-1.333 19.142-9.144C306.931 324.037 318.303 316 331 316c16.542 0 30 13.458 30 30v17.58a44.79 44.79 0 0 0-15-2.58h-30c-24.813 0-45 20.187-45 45s20.187 45 45 45h30a44.735 44.735 0 0 0 19.389-4.397A14.958 14.958 0 0 0 376 451c8.284 0 15-6.716 15-15v-90c0-33.084-26.916-60-60-60zm15 135h-30c-8.271 0-15-6.729-15-15s6.729-15 15-15h30c8.271 0 15 6.729 15 15s-6.729 15-15 15zm-90.001-315.168c0-.031-.005-.061-.006-.092C255.853 81.047 235.726 61 211 61c-24.813 0-45 20.187-45 45s20.187 45 45 45c5.34 0 10.463-.939 15.219-2.654-.148 10.732-.562 20.245-1.518 23.78A14.989 14.989 0 0 1 211 181a14.987 14.987 0 0 1-13.828-9.166c-3.227-7.629-12.029-11.201-19.658-7.972-7.63 3.228-11.199 12.029-7.972 19.659C176.603 200.214 192.876 211 211 211s34.396-10.786 41.458-27.479c3.797-8.978 4.189-29.063 3.631-70.69-.034-2.512-.066-4.863-.09-6.999zM211 121c-8.271 0-15-6.729-15-15s6.729-15 15-15 15 6.729 15 15-6.729 15-15 15z"
    />
</svg>